From 7c97a89b191212146e0a723f7bf7507de26fd65e Mon Sep 17 00:00:00 2001 From: Andrew Hsieh Date: Thu, 26 Mar 2015 15:43:10 -0700 Subject: Backport a fix about gcc-4.9 crash at the presence of #pragma GCC optimize ("O0") In google/google-4_9 branch ------------------------------------------------------------------------ r221700 | wmi | 2015-03-26 11:11:16 -0700 (Thu, 26 Mar 2015) | 13 lines Fix the problem in b/19277289 by avoiding calling walk_aliased_vdefs in O0 function. gcc/ 2015-03-26 Carrot Wei * ipa-inline-analysis.c: Early return. gcc/testsuite 2015-03-26 Carrot Wei * testsuite/gcc.dg/19277289.c: New test. Change-Id: I6bd7353b65fb918f9651dd737cbe3112fca1fa17 --- gcc-4.9/gcc/testsuite/gcc.dg/19277289.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 gcc-4.9/gcc/testsuite/gcc.dg/19277289.c (limited to 'gcc-4.9/gcc/testsuite/gcc.dg') diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/19277289.c b/gcc-4.9/gcc/testsuite/gcc.dg/19277289.c new file mode 100644 index 000000000..9f7703e37 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/19277289.c @@ -0,0 +1,21 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -w" } */ + +struct xktime { + int tv; +}; +typedef struct xktime xktime_t; + +__attribute__((always_inline)) xktime_t xktime_set(void) +{ + return (xktime_t) { .tv = 0 }; +} + +#pragma GCC optimize ("O0") + +extern void foo (xktime_t); + +void LCD_WaitTE(void) +{ + foo (xktime_set()); +} -- cgit v1.2.3