r212332 - in /trunk/gcc: ChangeLog asan.c tests...

[chefmax@gcc.gnu.org]

Author: chefmax
Date: Mon Jul  7 14:31:18 2014
New Revision: 212332

URL: https://gcc.gnu.org/viewcvs?rev=212332&root=gcc&view=rev
Log:

Do not instrument first byte in strlen if already instrumented.

gcc/
	* asan.c (instrument_strlen_call): Do not instrument first byte in strlen
	if already instrumented.

gcc/testsuite/
	* c-c++-common/asan/no-redundant-instrumentation-9.c: New test.

Added:
    trunk/gcc/testsuite/c-c++-common/asan/no-redundant-instrumentation-9.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/asan.c
    trunk/gcc/testsuite/ChangeLog