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David Chase e5060c7f75 cmd/internal/gc: move check for large-hence-heap-allocated types into escape analysis
Before this change, the check for too-large arrays (and other large
types) occurred after escape analysis.  If the data moved off stack
and onto the heap contained any pointers, it would therefore escape,
but because the too-large check occurred after escape analysis this
would not be recorded and a stack pointer would leak to the heap
(see the modified escape_array.go for an example).

Some of these appear to remain, in calls to typecheck from within walk.

Also corrected a few comments in escape_array.go about "BAD"
analysis that is now done correctly.

Enhanced to move aditional EscNone-but-large-so-heap checks into esc.c.

Change-Id: I770c111baff28a9ed5f8beb601cf09dacc561b83
Reviewed-on: https://go-review.googlesource.com/10268
Reviewed-by: Russ Cox <rsc@golang.org>
2015-05-22 02:13:54 +00:00
api api: refresh next.txt 2015-05-14 21:31:18 +00:00
doc all: retire architecture letter in file names, public API 2015-05-21 17:32:17 +00:00
lib/time remove the obsolete lib/codereview. 2014-12-08 07:51:54 +00:00
misc cmd/link: move to cmd/newlink 2015-05-21 17:31:40 +00:00
src cmd/internal/gc: move check for large-hence-heap-allocated types into escape analysis 2015-05-22 02:13:54 +00:00
test cmd/internal/gc: move check for large-hence-heap-allocated types into escape analysis 2015-05-22 02:13:54 +00:00
.gitattributes .gitattributes: prevent all magic line ending changes 2014-12-12 23:14:54 +00:00
.gitignore .gitignore: ignore ARM64 build products 2015-03-16 18:44:22 +00:00
AUTHORS A+C: add another email address for Emil Hessman 2014-11-12 10:01:23 -08:00
CONTRIBUTING.md doc: direct people to the mailing list 2015-01-18 21:27:07 +00:00
CONTRIBUTORS CONTRIBUTORS: add Burcu Dogan's personal mail 2015-05-06 16:06:42 +00:00
favicon.ico godoc: update favicon 2012-10-11 17:02:36 +11:00
LICENSE doc: update licensing text one more time 2012-03-27 15:09:13 +11:00
PATENTS
README.md doc: fix broken link in README 2015-02-19 05:50:57 +00:00
robots.txt godoc: serve robots.txt raw 2011-02-19 05:46:20 +11:00

The Go Programming Language

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