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David Chase 807761f334 cmd/link: revert/revise CL 98075 because LLDB is very picky now
This was originally

Revert "cmd/link: fix up debug_range for dsymutil (revert CL 72371)"

which has the effect of no longer using Base Address Selection
Entries in DWARF.  However, the build-time costs of that are
about 2%, so instead the hacky fixup that generated technically
incorrect DWARF was removed from the linker, and the choice
is instead made in the compiler, dependent on platform, but
also under control of a flag so that we can report this bug
against LLDB/dsymutil/dwarfdump (really, the LLVM dwarf
libraries).

This however does not solve #31188; debugging still fails,
but dwarfdump no longer complains.  There are at least two
LLDB bugs involved, and this change will at allow us
to report them without them being rejected because our
now-obsolete workaround for the first bug creates
not-quite-DWARF.

Updates #31188.

Change-Id: I5300c51ad202147bab7333329ebe961623d2b47d
Reviewed-on: https://go-review.googlesource.com/c/go/+/170638
Run-TryBot: David Chase <drchase@google.com>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2019-04-23 20:52:23 +00:00
.github .github: don't render author-facing text in ISSUE_TEMPLATE 2018-11-02 04:47:34 +00:00
api text/scanner: don't liberally consume (invalid) floats or underbars 2019-02-20 20:23:28 +00:00
doc doc: update wording in contribution guide 2019-04-23 14:39:25 +00:00
lib/time time: read 64-bit data if available 2019-02-26 23:10:35 +00:00
misc misc/cgo/testcshared: support testing on self-hosted android 2019-04-16 15:10:00 +00:00
src cmd/link: revert/revise CL 98075 because LLDB is very picky now 2019-04-23 20:52:23 +00:00
test cmd/compile: add signed divisibility by power of 2 rules 2019-04-23 20:35:54 +00:00
.gitattributes
.gitignore .gitignore: ignore src/cmd/dist/dist 2017-10-28 21:55:49 +00:00
AUTHORS A: Add Maya Rashish (individual CLA) 2019-04-23 14:40:30 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS CONTRIBUTORS: second round of updates for Go 1.12 2019-01-30 18:01:19 +00:00
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LICENSE
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README.md README: linkify some paths 2018-06-06 18:07:01 +00:00
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