r275131 - in /branches/gcc-7-branch/gcc: Change...

[jakub@gcc.gnu.org]

Author: jakub
Date: Fri Aug 30 12:18:54 2019
New Revision: 275131

URL: https://gcc.gnu.org/viewcvs?rev=275131&root=gcc&view=rev
Log:
	Backported from mainline
	2019-03-14  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/89703
	* tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
	aren't compatible also with builtin_decl_explicit.  Check pure
	or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
	and BUILT_IN_STPNCPY{,_CHK}.

	* gcc.c-torture/compile/pr89703-1.c: New test.
	* gcc.c-torture/compile/pr89703-2.c: New test.

Added:
    branches/gcc-7-branch/gcc/testsuite/gcc.c-torture/compile/pr89703-1.c
    branches/gcc-7-branch/gcc/testsuite/gcc.c-torture/compile/pr89703-2.c
Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/testsuite/ChangeLog
    branches/gcc-7-branch/gcc/tree-ssa-strlen.c