granicus.if.org Git - clang/commit

author	Serge Pavlov <sepavloff@gmail.com>
	Mon, 19 Mar 2018 16:13:43 +0000 (16:13 +0000)
committer	Serge Pavlov <sepavloff@gmail.com>
	Mon, 19 Mar 2018 16:13:43 +0000 (16:13 +0000)
commit	3bd89a4b0543a84457046c08b80149b1c8d358f5
tree	540c5380b7459e003916f19087f1bdbe90cff69b	tree \| snapshot
parent	1d55d15d7f23ee41436b23d2b3d179e881f8a883	commit \| diff

[Driver] Avoid invalidated iterator in insertTargetAndModeArgs

Doing an .insert() can potentially invalidate iterators by reallocating the
vector's storage. When all the stars align just right, this causes segfaults
or glibc aborts.

Gentoo Linux bug (crashes while building Chromium): https://bugs.gentoo.org/650082.

Patch by Hector Martin!

Differential Revision: https://reviews.llvm.org/D44607

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@327863 91177308-0d34-0410-b5e6-96231b3b80d8