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Cherry Mui d9242f7a8c [release-branch.go1.17] cmd/compile: do not use special literal assignment if LHS is address-taken 
A composite literal assignment

x = T{field: v}

may be compiled to

x = T{}
x.field = v

We already do not use this form is RHS uses LHS. If LHS is
address-taken, RHS may uses LHS implicitly, e.g.

v = &x.field
x = T{field: *v}

The lowering above would change the value of RHS (*v).

Updates #52953.
Fixes #52960.

Change-Id: I3f798e00598aaa550b8c17182c7472fef440d483
Reviewed-on: https://go-review.googlesource.com/c/go/+/407014
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
(cherry picked from commit 1c77137d4fdfbb3e7e8d9efaab3bab5ee736a19d)
Reviewed-on: https://go-review.googlesource.com/c/go/+/419451
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
2022-07-26 14:16:52 +00:00
..
abi
cmd/compile: set unsayable "names" for regabi testing triggers
2021-05-06 11:58:39 +00:00
alias3.dir
[dev.typealias] cmd/compile: export/import test cases for type aliases
2017-01-20 05:55:53 +00:00
bench
test/bench/go1: fix size for RegexpMatchMedium_32
2021-07-18 21:03:43 +00:00
chan
[dev.typeparams] merge: merge branch 'dev.regabi' into 'dev.typeparams'
2020-12-14 12:13:36 -08:00
closure3.dir
cmd/compile: don't emit inltree for closure within body of inlined func
2021-05-18 20:04:57 +00:00
closure5.dir
[dev.regabi] cmd/compile: exporting, importing, and inlining functions with OCLOSURE
2021-01-20 22:53:32 +00:00
codegen
cmd/compile: add arch-specific inlining for runtime.memmove
2021-05-12 16:23:30 +00:00
ddd2.dir
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
dwarf
…
fixedbugs
[release-branch.go1.17] cmd/compile: do not use special literal assignment if LHS is address-taken
2022-07-26 14:16:52 +00:00
import2.dir
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
import4.dir
…
interface
[dev.typeparams] merge: merge branch 'dev.regabi' into 'dev.typeparams'
2020-12-14 12:13:36 -08:00
intrinsic.dir
cmd/compile: intrinsics for math/bits.TrailingZerosX
2017-03-16 02:44:16 +00:00
ken
all: fix typos
2019-09-08 17:28:20 +00:00
linkname.dir
cmd/compile: trim function name prefix from escape diagnostics
2019-09-16 15:30:51 +00:00
method4.dir
…
oldescape_linkname.dir
cmd/compile: update escape analysis tests for newescape
2019-04-16 16:20:39 +00:00
retjmp.dir
cmd/asm: fix assembling return jump
2018-03-01 21:11:16 +00:00
runtime
test: remove -newescape from regress tests
2019-08-28 19:27:20 +00:00
stress
all: update references to symbols moved from io/ioutil to io
2021-04-05 17:51:15 +00:00
syntax
test/syntax: remove interface.go
2021-04-06 18:55:39 +00:00
typeparam
cmd/compile: fix nongeneric closures in generic functions
2021-04-27 19:30:11 +00:00
uintptrescapes.dir
cmd/compile, syscall: add //go:uintptrescapes comment, and use it
2016-07-06 20:48:41 +00:00
64bit.go
…
235.go
…
alg.go
test: add test that required algs get generated
2016-04-24 21:36:52 +00:00
alias1.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
alias2.go
[dev.typeparams] test: add scaffolding to run.go to check compiler with -G flag
2020-12-01 21:49:31 +00:00
alias3.go
[dev.typealias] cmd/compile: export/import test cases for type aliases
2017-01-20 05:55:53 +00:00
alias.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
align.go
test: check that unaligned load-add opcodes work.
2018-04-09 18:57:37 +00:00
append1.go
[dev.typeparams] test: add scaffolding to run.go to check compiler with -G flag
2020-12-01 21:49:31 +00:00
append.go
cmd/compile: optimize append(x, make([]T, y)...) slice extension
2018-05-06 04:28:23 +00:00
args.go
…
armimm.go
cmd/internal/obj: continue to optimize ARM's constant pool
2017-05-11 13:53:54 +00:00
assign1.go
…
assign.go
[dev.typeparams] merge: merge branch 'dev.regabi' into 'dev.typeparams'
2020-12-14 12:13:36 -08:00
atomicload.go
cmd/compile: keep value use counts in SSA
2016-03-17 04:20:02 +00:00
bigalg.go
…
bigmap.go
…
blank1.go
[dev.typeparams] merge: merge branch 'dev.regabi' into 'dev.typeparams'
2020-12-14 12:13:36 -08:00
blank.go
…
bom.go
…
bombad.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
bounds.go
cmd/compile: defer lowering OANDNOT until SSA
2020-10-27 03:11:45 +00:00
cannotassign.go
[dev.typeparams] test: add scaffolding to run.go to check compiler with -G flag
2020-12-01 21:49:31 +00:00
chancap.go
[dev.regabi] cmd/compile: remove toolstash scaffolding
2021-01-05 21:44:30 +00:00
chanlinear.go
test, test/fixedbugs, crypto/x509, go/internal/gccgoimporter: fix typos
2020-03-29 17:12:56 +00:00
char_lit1.go
cmd/compile: do not report error for invalid constant
2021-03-05 18:46:43 +00:00
char_lit.go
…
checkbce.go
cmd/compile: fix ordering for short-circuiting ops
2019-03-06 20:04:07 +00:00
clearfat.go
…
closedchan.go
…
closure1.go
…
closure2.go
[dev.regabi] test: add another closure test case
2021-01-01 13:44:37 +00:00
closure3.go
cmd/compile: disable inlining functions with closures for now
2021-02-24 21:34:21 +00:00
closure4.go
cmd/compile/internal/gc: add nil check for closure call on wasm
2018-08-14 09:19:38 +00:00
closure5.go
[dev.regabi] cmd/compile: exporting, importing, and inlining functions with OCLOSURE
2021-01-20 22:53:32 +00:00
closure6.go
[dev.regabi] cmd/compile: fix escape analysis problem with closures
2021-01-23 02:15:24 +00:00
closure7.go
[dev.regabi] test: add a test for inlining closures
2021-02-01 18:28:05 +00:00
closure.go
…
cmp6.go
[dev.typeparams] test: add scaffolding to run.go to check compiler with -G flag
2020-12-01 21:49:31 +00:00
cmp.go
…
cmplx.go
cmd/compile: rewrite f(g()) for multi-value g() during typecheck
2019-03-14 21:00:20 +00:00
cmplxdivide1.go
runtime: make complex division c99 compatible
2017-03-15 22:45:17 +00:00
cmplxdivide.c
runtime: make complex division c99 compatible
2017-03-15 22:45:17 +00:00
cmplxdivide.go
runtime: make complex division c99 compatible
2017-03-15 22:45:17 +00:00
complit1.go
test: match gofrontend error messages
2020-11-28 02:31:54 +00:00
complit.go
…
compos.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
const1.go
[dev.typeparams] test: add scaffolding to run.go to check compiler with -G flag
2020-12-01 21:49:31 +00:00
const2.go
[dev.typeparams] test: add scaffolding to run.go to check compiler with -G flag
2020-12-01 21:49:31 +00:00
const3.go
…
const4.go
…
const5.go
…
const6.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
const7.go
[dev.typeparams] cmd/compile: refuse excessively long constants
2021-02-03 20:22:34 +00:00
const.go
cmd/compile: apply constant folding to ORUNESTR
2019-09-26 23:54:29 +00:00
convert1.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
convert2.go
cmd/compile: allow conversion from slice to array ptr
2021-04-21 00:53:48 +00:00
convert3.go
…
convert4.go
cmd/compile: allow conversion from slice to array ptr
2021-04-21 00:53:48 +00:00
convert.go
…
convlit1.go
…
convlit.go
cmd/compile/internal/types2: refactor untyped conversions
2021-03-23 05:11:09 +00:00
convT2X.go
…
copy1.go
[dev.typeparams] test: enable some more errorcheck tests
2020-12-04 21:22:23 +00:00
copy.go
…
crlf.go
…
ddd1.go
cmd/compile: make typecheckaste correctly report invalid use of "..."
2021-05-03 15:03:57 +00:00
ddd2.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
ddd.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
decl.go
…
declbad.go
cmd/compile: rewrite a, b = f() to use temporaries when type not identical
2021-06-14 07:12:37 +00:00
defer.go
…
defererrcheck.go
test: re-enable open-coded defer test on riscv64
2020-02-26 16:54:17 +00:00
deferfin.go
[dev.regabi] test: enable finalizer tests on !amd64
2021-01-05 21:11:31 +00:00
defernil.go
cmd/compile: on Wasm and AIX, let deferred nil function panic at invocation
2019-10-16 00:05:37 +00:00
deferprint.go
test: remove rundircmpout and cmpout actions
2018-05-31 17:36:45 +00:00
deferprint.out
…
devirt.go
cmd/compile: debug rewrite
2020-04-13 21:56:15 +00:00
directive.go
cmd/compile: reject misplaced go:build comments
2020-10-13 01:16:45 +00:00
divide.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
divmod.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
embedfunc.go
cmd/compile: require 'go 1.16' go.mod line for //go:embed
2021-01-19 20:07:52 +00:00
embedvers.go
cmd/compile: require 'go 1.16' go.mod line for //go:embed
2021-01-19 20:07:52 +00:00
empty.go
…
env.go
…
eof1.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
eof.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
escape2.go
[dev.regabi] cmd/compile: convert OPANIC argument to interface{} during typecheck
2021-01-18 05:55:08 +00:00
escape2n.go
[dev.regabi] cmd/compile: convert OPANIC argument to interface{} during typecheck
2021-01-18 05:55:08 +00:00
escape3.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
escape4.go
[dev.regabi] cmd/compile: convert OPANIC argument to interface{} during typecheck
2021-01-18 05:55:08 +00:00
escape5.go
cmd/compile: fix escape analysis of heap-allocated results
2021-02-27 19:01:19 +00:00
escape_array.go
cmd/compile: trim function name prefix from escape diagnostics
2019-09-16 15:30:51 +00:00
escape_calls.go
cmd/compile: use clearer error message for stuct literal
2020-09-12 08:31:49 +00:00
escape_closure.go
cmd/compile: improve escape analysis of known calls
2020-10-15 18:26:06 +00:00
escape_field.go
cmd/compile: use clearer error message for stuct literal
2020-09-12 08:31:49 +00:00
escape_goto.go
cmd/compile: preserve loop depth when evaluating block
2019-09-06 01:35:46 +00:00
escape_hash_maphash.go
hash/maphash: mark call into runtime hash function as not escaping
2019-11-16 20:31:45 +00:00
escape_iface.go
cmd/compile: fix devirtualization of promoted interface methods
2020-10-30 00:47:37 +00:00
escape_indir.go
cmd/compile: use clearer error message for stuct literal
2020-09-12 08:31:49 +00:00
escape_level.go
cmd/compile: silence esc diagnostics about directiface OCONVIFACEs
2019-09-03 17:52:06 +00:00
escape_map.go
cmd/compile: use clearer error message for stuct literal
2020-09-12 08:31:49 +00:00
escape_param.go
[dev.regabi] cmd/compile: update ir/fmt for concrete types
2020-12-17 03:50:03 +00:00
escape_runtime_atomic.go
test: fix escape_runtime_atomic.go
2019-04-17 22:55:26 +00:00
escape_selfassign.go
test: add regress test cases for self-assignment
2019-04-17 16:36:56 +00:00
escape_slice.go
cmd/compile: allow conversion from slice to array ptr
2021-04-21 00:53:48 +00:00
escape_struct_param1.go
cmd/compile: use clearer error message for stuct literal
2020-09-12 08:31:49 +00:00
escape_struct_param2.go
cmd/compile: use clearer error message for stuct literal
2020-09-12 08:31:49 +00:00
escape_struct_return.go
test: remove -newescape from regress tests
2019-08-28 19:27:20 +00:00
escape_sync_atomic.go
runtime/internal/atomic: remove bad go:noescape annotations on Loadp
2019-04-17 19:09:15 +00:00
escape_unsafe.go
cmd/compile: silence esc diagnostics about directiface OCONVIFACEs
2019-09-03 17:52:06 +00:00
escape.go
…
fibo.go
…
finprofiled.go
all: fix typos
2019-09-08 17:28:20 +00:00
float_lit2.go
test/float_lit2: fix expressions in comment
2016-09-14 16:39:47 +00:00
float_lit3.go
[dev.regabi] cmd/compile: enable rational constant arithmetic
2021-01-25 18:53:24 +00:00
float_lit.go
…
floatcmp.go
…
for.go
…
func1.go
[dev.typeparams] test: enable some more errorcheck tests
2020-12-04 21:22:23 +00:00
func2.go
…
func3.go
…
func4.go
…
func5.go
…
func6.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
func7.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
func8.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
func.go
…
funcdup2.go
[dev.typeparams] test: enable some more errorcheck tests
2020-12-04 21:22:23 +00:00
funcdup.go
[dev.typeparams] test: enable some more errorcheck tests
2020-12-04 21:22:23 +00:00
fuse.go
test: do not run fuse test in noopt mode
2021-04-28 15:55:10 +00:00
gc1.go
…
gc2.go
all: skip unsupported tests for js/wasm
2018-04-30 19:39:18 +00:00
gc.go
…
gcgort.go
test: fast GC+concurrency+types verification
2018-05-08 21:15:48 +00:00
gcstring.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
goprint.go
test: adjust a test to work with js/wasm's background goroutine
2019-10-10 19:38:06 +00:00
goprint.out
…
goto.go
cmd/compile: report block start for gotos jumping into blocks
2017-04-19 02:27:58 +00:00
heapsampling.go
test: improve test coverage for heap sampling
2019-03-07 21:05:15 +00:00
helloworld.go
test: remove rundircmpout and cmpout actions
2018-05-31 17:36:45 +00:00
helloworld.out
…
if.go
…
import1.go
…
import2.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
import4.go
…
import5.go
cmd/compile: be slightly more tolerant in case of certain syntax errors
2017-03-24 20:07:15 +00:00
import6.go
cmd/compile/internal/syntax: removed gcCompat code needed to pass orig. tests
2017-02-10 01:22:30 +00:00
import.go
…
index0.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
index1.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
index2.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
index.go
all: fix typos
2019-09-08 17:28:20 +00:00
indirect1.go
…
indirect.go
…
init1.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
init.go
[dev.typeparams] merge: merge branch 'dev.regabi' into 'dev.typeparams'
2020-12-14 12:13:36 -08:00
initcomma.go
…
initempty.go
cmd/compile: add test for skipping empty init functions
2019-11-04 20:19:15 +00:00
initexp.go
cmd/compile: fix exponential-time init-cycle reporting
2021-01-08 17:14:20 +00:00
initialize.go
…
initializerr.go
test: match gofrontend error messages
2020-11-28 02:31:54 +00:00
initloop.go
[dev.typeparams] cmd/compile/internal/types2: adjusted qualified identifier error message for compiler
2020-12-09 23:56:19 +00:00
inline_big.go
cmd/compile: output cost while inlining function with Debug['m'] > 1
2020-02-26 14:44:24 +00:00
inline_caller.go
runtime: make FuncForPC return the innermost inlined frame
2019-01-08 21:54:04 +00:00
inline_callers.go
runtime: make FuncForPC return the innermost inlined frame
2019-01-08 21:54:04 +00:00
inline_literal.go
cmd/compile: copy literals when inlining
2017-03-03 21:29:32 +00:00
inline_math_bits_rotate.go
cmd/compile: make math/bits.RotateLeft* an intrinsic on amd64
2018-08-30 22:48:28 +00:00
inline_sync.go
test: re-enable atomic intrinsic related tests on riscv64
2020-03-25 01:11:15 +00:00
inline_variadic.go
cmd/compile: use clearer error message for stuct literal
2020-09-12 08:31:49 +00:00
inline.go
cmd/compile: don't emit inltree for closure within body of inlined func
2021-05-18 20:04:57 +00:00
int_lit.go
…
intcvt.go
…
intrinsic_atomic.go
test: re-enable atomic intrinsic related tests on riscv64
2020-03-25 01:11:15 +00:00
intrinsic.go
cmd/compile: intrinsify Ctz{32,64} and Bswap{32,64} on s390x
2016-09-19 19:03:01 +00:00
iota.go
…
label1.go
test: match gofrontend error messages
2020-11-28 02:31:54 +00:00
label.go
test: match gofrontend error messages
2020-11-28 02:31:54 +00:00
linkmain_run.go
test: avoid writing temporary files to GOROOT
2019-11-18 14:40:07 +00:00
linkmain.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
linkname2.go
[dev.regabi] cmd/compile: comment out //go:linkname warning
2020-12-02 06:49:37 +00:00
linkname.go
test: remove -newescape from regress tests
2019-08-28 19:27:20 +00:00
linkobj.go
test: recognize and use gc build tag
2020-12-18 00:10:44 +00:00
linkx_run.go
test: recognize and use gc build tag
2020-12-18 00:10:44 +00:00
linkx.go
[dev.link] all: clean up some TODOs
2019-11-01 20:13:05 +00:00
literal2.go
cmd/compile: accept 'i' suffix orthogonally on all numbers
2019-02-19 22:45:09 +00:00
literal.go
…
live1.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
live2.go
cmd/compile: extend ssa.go to handle 1-element array and 1-field struct
2019-09-03 19:33:04 +00:00
live_regabi.go
cmd/compile: reenable name preservation on copies in expand_calls
2021-04-21 14:16:01 +00:00
live_syscall.go
cmd/compile: trim function name prefix from escape diagnostics
2019-09-16 15:30:51 +00:00
live.go
test: add liveness test for regabi
2021-04-19 14:42:58 +00:00
locklinear.go
test: skip locklinear's lockmany test for now
2018-04-05 10:53:40 +00:00
loopbce.go
cmd/compile: detect indvars that are bound by other indvars
2019-09-26 18:47:12 +00:00
mainsig.go
[dev.regabi] cmd/compile: cleanup for concrete types - noder
2020-12-17 04:43:46 +00:00
makechan.go
cmd/compile/internal/types2: add unsafe.Add and unsafe.Slice
2021-04-23 00:41:01 +00:00
makemap.go
cmd/compile/internal/types2: add unsafe.Add and unsafe.Slice
2021-04-23 00:41:01 +00:00
makenew.go
[dev.typeparams] test: enable some more errorcheck tests
2020-12-04 21:22:23 +00:00
makeslice.go
cmd/compile: optimize make+copy pattern to avoid memclr
2020-05-07 17:50:24 +00:00
mallocfin.go
…
map1.go
[dev.typeparams] merge: merge branch 'dev.regabi' into 'dev.typeparams'
2020-12-14 12:13:36 -08:00
map.go
…
mapclear.go
cmd/compile: optimize map-clearing range idiom
2018-05-08 21:15:16 +00:00
maplinear.go
…
mergemul.go
cmd/compile: combine x*n - y*n into (x-y)*n
2017-09-03 14:29:38 +00:00
method1.go
cmd/compile: ignore receiver parameters in Eqtype
2016-03-17 00:38:15 +00:00
method2.go
[dev.typeparams] merge: merge branch 'dev.regabi' into 'dev.typeparams'
2020-12-14 12:13:36 -08:00
method3.go
…
method4.go
…
method5.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
method6.go
[dev.typeparams] test: enable some more errorcheck tests
2020-12-04 21:22:23 +00:00
method7.go
[dev.typeparams] cmd/compile: fix MethodExpr handling with embedded fields
2021-01-26 17:05:06 +00:00
method.go
…
named1.go
[dev.typeparams] test: enable some more errorcheck tests
2020-12-04 21:22:23 +00:00
named.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
nil.go
…
nilcheck.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
nilptr2.go
test: use a real use function in nilptr2.go
2019-05-11 03:02:33 +00:00
nilptr3.go
[dev.regabi] cmd/compile: deref PAUTOHEAPs during SSA construction
2021-01-10 08:01:49 +00:00
nilptr4.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
nilptr5_aix.go
test: fix nilptr5 for AIX
2018-11-27 15:36:08 +00:00
nilptr5_wasm.go
cmd/compile: fix nilcheck for AIX
2018-11-26 14:13:53 +00:00
nilptr5.go
cmd/compile: fix nilcheck for AIX
2018-11-26 14:13:53 +00:00
nilptr_aix.go
cmd/compile: fix nilcheck for AIX
2018-11-26 14:13:53 +00:00
nilptr.go
test: disable nilptr on windows/arm64
2021-02-19 00:40:22 +00:00
nosplit.go
test: make nosplit test invariant to ABI wrappers
2021-03-18 16:51:25 +00:00
notinheap2.go
cmd/compile: propagate go:notinheap implicitly
2020-09-17 19:35:53 +00:00
notinheap3.go
cmd/compile: omit write barriers for slice clears of go:notinheap pointers
2018-12-05 21:54:54 +00:00
notinheap.go
cmd/compile: propagate go:notinheap implicitly
2020-09-17 19:35:53 +00:00
nowritebarrier.go
cmd/compile: allow mid-stack inlining when there is a cycle of recursion
2020-04-03 21:43:52 +00:00
nul1.go
cmd/compile/internal/gc: enable new parser by default
2016-10-25 22:28:40 +00:00
opt_branchlikely.go
all: fix typos
2019-09-08 17:28:20 +00:00
parentype.go
…
peano.go
all: skip unsupported tests for js/wasm
2018-04-30 19:39:18 +00:00
phiopt.go
cmd/compile/internal/ssa: strengthen phiopt pass
2021-03-29 05:50:11 +00:00
print.go
test: remove rundircmpout and cmpout actions
2018-05-31 17:36:45 +00:00
print.out
cmd/compile: fix print/println when input is uint
2017-09-26 04:08:38 +00:00
printbig.go
test: remove rundircmpout and cmpout actions
2018-05-31 17:36:45 +00:00
printbig.out
…
prove.go
docs: fix spelling
2021-02-24 04:11:43 +00:00
range.go
cmd/compile: improve single blank variable handling in walkrange
2017-09-12 05:50:54 +00:00
README.md
test: document specifying individual test files as operands
2020-08-28 21:23:32 +00:00
recover1.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
recover2.go
cmd/compile,runtime: generate hash functions only for types which are map keys
2019-09-03 20:41:29 +00:00
recover3.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
recover4.go
all: use Fatalf instead of Fatal if format is given
2018-01-10 01:35:45 +00:00
recover5.go
cmd/compile: more error position tests for the typechecker
2017-04-24 12:37:49 +00:00
recover.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
reflectmethod1.go
cmd/compile: track reflect.Type.Method in deadcode
2016-03-11 21:19:20 +00:00
reflectmethod2.go
cmd/compile: track reflect.Type.Method in deadcode
2016-03-11 21:19:20 +00:00
reflectmethod3.go
cmd/compile: track reflect.Type.Method in deadcode
2016-03-11 21:19:20 +00:00
reflectmethod4.go
cmd/link: treat reflect.Value.Method like Call
2016-03-11 22:07:02 +00:00
reflectmethod5.go
cmd/compile: when marking REFLECTMETHOD, check for reflect package itself
2020-04-19 03:12:32 +00:00
reflectmethod6.go
cmd/compile: when marking REFLECTMETHOD, check for reflect package itself
2020-04-19 03:12:32 +00:00
reflectmethod7.go
cmd/compile: mark concrete call of reflect.(*rtype).Method as REFLECTMETHOD
2021-02-10 22:44:54 +00:00
rename1.go
[dev.typeparams] test: enable some more errorcheck tests
2020-12-04 21:22:23 +00:00
rename.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
reorder2.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
reorder.go
[dev.regabi] cmd/compile: cleanup OAS2FUNC ordering
2021-01-16 23:19:26 +00:00
retjmp.go
cmd/asm: fix assembling return jump
2018-03-01 21:11:16 +00:00
return.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
rotate0.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
rotate1.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
rotate2.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
rotate3.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
rotate.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
run.go
cmd/compile: better error message for invalid untyped operation
2021-06-16 06:05:23 +00:00
rune.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
runtime.go
[dev.typeparams] cmd/compile/internal/types2: adjusted qualified identifier error message for compiler
2020-12-09 23:56:19 +00:00
shift1.go
test: recognize gofrontend error messages
2020-11-30 20:08:34 +00:00
shift2.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
sieve.go
…
sigchld.go
test: remove rundircmpout and cmpout actions
2018-05-31 17:36:45 +00:00
sigchld.out
…
simassign.go
…
sinit_run.go
test: recognize and use gc build tag
2020-12-18 00:10:44 +00:00
sinit.go
cmd/compile: fix static initializer
2018-12-03 16:48:21 +00:00
sizeof.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
slice3.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
slice3err.go
[dev.typeparams] test: finish triaging all outstanding failing tests
2020-12-14 21:28:48 +00:00
slicecap.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
sliceopt.go
cmd/compile: make prove pass use unsatisfiability
2018-03-08 22:25:25 +00:00
solitaire.go
…
stack.go
…
stackobj2.go
test: stress test for stack objects
2018-10-03 19:54:29 +00:00
stackobj3.go
cmd/compile,runtime: remove ambiguously live logic
2018-10-03 19:54:16 +00:00
stackobj.go
cmd/compile,runtime: remove ambiguously live logic
2018-10-03 19:54:16 +00:00
strcopy.go
test: add test to verify that string copies don't get optimized away
2018-06-12 19:10:34 +00:00
strength.go
all: fix typos
2019-09-08 17:28:20 +00:00
string_lit.go
…
stringrange.go
…
struct0.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
switch2.go
cmd/compile/internal/syntax: match old parser errors and line numbers
2016-08-19 01:10:21 +00:00
switch3.go
[dev.typeparams] cmd/compile/internal/types2: report error for invalid (but empty) expr switch
2020-12-15 19:43:32 +00:00
switch4.go
…
switch5.go
[dev.typeparams] test: finish triaging all outstanding failing tests
2020-12-14 21:28:48 +00:00
switch6.go
[dev.typeparams] test: finish triaging all outstanding failing tests
2020-12-14 21:28:48 +00:00
switch7.go
[dev.typeparams] test: finish triaging all outstanding failing tests
2020-12-14 21:28:48 +00:00
switch.go
…
tinyfin.go
…
torture.go
…
turing.go
…
typecheck.go
test: add copyright notice to typecheck.go
2020-04-17 13:30:49 +00:00
typecheckloop.go
[dev.typeparams] cmd/compile/internal/types2: adjust init cycle error message for compiler
2020-12-09 23:55:41 +00:00
typeswitch1.go
…
typeswitch2.go
cmd/compile: move duplicate type-case checking into typecheck
2019-09-11 23:33:11 +00:00
typeswitch2b.go
cmd/compile/internal/gc: reword "declared and not used" error message
2019-10-28 23:34:13 +00:00
typeswitch3.go
[dev.typeparams] test: enable some more errorcheck tests
2020-12-04 21:22:23 +00:00
typeswitch.go
…
uintptrescapes2.go
cmd/compile: fix //go:uintptrescapes for basic method calls
2019-11-05 00:26:30 +00:00
uintptrescapes3.go
cmd/compile: fix //go:uintptrescapes for basic method calls
2019-11-05 00:26:30 +00:00
uintptrescapes.go
cmd/compile, syscall: add //go:uintptrescapes comment, and use it
2016-07-06 20:48:41 +00:00
undef.go
all: make copyright headers consistent with one space after period
2016-05-02 13:43:18 +00:00
unsafebuiltins.go
cmd/compile,runtime: change unsafe.Slice((*T)(nil), 0) to return []T(nil)
2021-06-28 23:31:13 +00:00
used.go
[dev.typeparams] all: merge dev.regabi (07569da) into dev.typeparams
2020-12-28 00:39:17 -08:00
utf.go
…
varerr.go
[dev.typeparams] test: enable some more errorcheck tests
2020-12-04 21:22:23 +00:00
varinit.go
…
winbatch.go
all: update to use filepath.WalkDir instead of filepath.Walk
2020-12-02 16:33:57 +00:00
writebarrier.go
cmd/compile: improve generated code for concrete cases in type switches
2020-04-14 17:34:31 +00:00
zerodivide.go
test: lock in test for _ assignment evaluation/zerodivide panic
2016-12-23 17:35:24 +00:00

README.md

The test directory contains tests of the Go tool chain and runtime. It includes black box tests, regression tests, and error output tests. They are run as part of all.bash.

To run just these tests, execute:

../bin/go run run.go

To run just tests from specified files in this directory, execute:

../bin/go run run.go -- file1.go file2.go ...

Standard library tests should be written as regular Go tests in the appropriate package.

The tool chain and runtime also have regular Go tests in their packages. The main reasons to add a new test to this directory are:

  • it is most naturally expressed using the test runner; or
  • it is also applicable to gccgo and other Go tool chains.