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authorAndrew Hsieh <andrewhsieh@google.com>2015-03-26 22:43:10 (GMT)
committerAndrew Hsieh <andrewhsieh@google.com>2015-03-26 22:43:10 (GMT)
commit7c97a89b191212146e0a723f7bf7507de26fd65e (patch)
tree8c30b42adc00e9f2888474772f1274a83be81dec /gcc-4.9/gcc/testsuite/gcc.dg
parent9f57376006c7afb1561fe3e7a8d8be64f3196acd (diff)
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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 <carrot@google.com> * ipa-inline-analysis.c: Early return. gcc/testsuite 2015-03-26 Carrot Wei <carrot@google.com> * testsuite/gcc.dg/19277289.c: New test. Change-Id: I6bd7353b65fb918f9651dd737cbe3112fca1fa17
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/19277289.c21
1 files changed, 21 insertions, 0 deletions
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 0000000..9f7703e
--- /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());
+}