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Josh Bleecher Snyder 6c163e5ac9 runtime: change funcinl sentinel value from 0 to ^0 
_func and funcinl are type-punned.
We distinguish them at runtime by inspecting the first word.

Prior to this change, we used 0 as the sentinel value
that means that a Func is a funcinl.
That worked because _func's first word is the functions' entry PC,
and 0 is not a valid PC. I plan to make *_func's entry PC relative
to the containing module. As a result, 0 will be a valid value,
for the first function in the module.

Switch to ^0 as the new sentinel value, which is neither a valid
entry PC nor a valid PC offset.

Change-Id: I4c718523a083ed6edd57767c3548640681993522
Reviewed-on: https://go-review.googlesource.com/c/go/+/351459
Trust: Josh Bleecher Snyder <josharian@gmail.com>
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
2021-09-27 20:58:24 +00:00
.github
api [dev.fuzz] all: merge master (65f0d24) into dev.fuzz 2021-09-09 09:23:26 -07:00
doc cmd/gofmt: format files in parallel 2021-09-24 21:38:56 +00:00
lib/time lib/time: fix RFC 6557 url 2021-08-15 02:18:46 +00:00
misc cmd/cgo: add go:notinheap annotation to Windows handle types 2021-09-22 18:10:24 +00:00
src runtime: change funcinl sentinel value from 0 to ^0 2021-09-27 20:58:24 +00:00
test cmd/compile: keep methods on generic types from being deadcode eliminated 2021-09-27 20:42:34 +00:00
.gitattributes
.gitignore internal/buildcfg: move build configuration out of cmd/internal/objabi 2021-04-16 19:20:53 +00:00
AUTHORS A+C: update name to real name and add to AUTHORS 2021-09-16 23:57:28 +00:00
codereview.cfg codereview.cfg: add codereview.cfg for master branch 2021-02-19 18:44:53 +00:00
CONTRIBUTING.md
CONTRIBUTORS A+C: update name to real name and add to AUTHORS 2021-09-16 23:57:28 +00:00
LICENSE
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README.md
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README.md

The Go Programming Language

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