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diff gcc/testsuite/gcc.dg/pr38984.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/pr38984.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,16 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fno-delete-null-pointer-checks -fdump-tree-optimized -fno-isolate-erroneous-paths-dereference" }
+ * */
+
+int f(int *p)
+{
+  int a = *p;
+  int *null = 0;
+  *null = 5;
+  return *p == a;
+}
+
+/* { dg-final { scan-tree-dump-times "\\\*p" 2 "optimized" } } */
+/* { dg-final { scan-tree-dump-not "return 1" "optimized" } } */
+
+