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diff gcc/testsuite/c-c++-common/pr27336.c @ 16:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children 1830386684a0
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line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/c-c++-common/pr27336.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,12 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdelete-null-pointer-checks -fdump-tree-vrp1" } */
+
+struct B { int x; };
+extern void g3(struct B *that)  __attribute__((nonnull));
+int f3(struct B *a)
+{
+  g3(a);
+  return a != (void *)0;
+}
+
+/* { dg-final { scan-tree-dump "return 1;" "vrp1" } } */