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-rw-r--r--gcc-4.9/gcc/testsuite/c-c++-common/torture/pr60971.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/c-c++-common/torture/pr60971.c b/gcc-4.9/gcc/testsuite/c-c++-common/torture/pr60971.c
new file mode 100644
index 000000000..b7a967dab
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/c-c++-common/torture/pr60971.c
@@ -0,0 +1,34 @@
+/* PR tree-optimization/60971 */
+/* { dg-do run } */
+
+#ifndef __cplusplus
+#define bool _Bool
+#endif
+
+volatile unsigned char c;
+
+__attribute__((noinline)) unsigned char
+foo (void)
+{
+ return c;
+}
+
+__attribute__((noinline)) bool
+bar (void)
+{
+ return foo () & 1;
+}
+
+int
+main ()
+{
+ c = 0x41;
+ c = bar ();
+ if (c != 1)
+ __builtin_abort ();
+ c = 0x20;
+ c = bar ();
+ if (c != 0)
+ __builtin_abort ();
+ return 0;
+}