c8b889cc48
Change compiler and linker to emit DWARF lexical blocks in debug_info. Version of debug_info is updated from DWARF v.2 to DWARF v.3 since version 2 does not allow lexical blocks with discontinuous ranges. Second attempt at https://go-review.googlesource.com/#/c/29591/ Remaining open problems: - scope information is removed from inlined functions - variables in debug_info do not have DW_AT_start_scope attributes so a variable will shadow other variables with the same name as soon as its containing scope begins, before its declaration. Updates golang/go#12899, golang/go#6913 Change-Id: I0e260a45b564d14a87b88974eb16c5387cb410a5 Reviewed-on: https://go-review.googlesource.com/36879 Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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