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diff gcc/testsuite/c-c++-common/Wtautological-compare-3.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/c-c++-common/Wtautological-compare-3.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,20 @@
+/* { dg-do compile } */
+/* { dg-options "-Wtautological-compare" } */
+/* Test we don't warn for floats.  */
+
+struct S { double d; float f; };
+
+void
+fn1 (int i, float f, double d, struct S *s, float *fp)
+{
+  if (f == f);
+  if (f != f);
+  if (d == d);
+  if (d != d);
+  if (fp[i] == fp[i]);
+  if (fp[i] != fp[i]);
+  if (s->f == s->f);
+  if (s->f != s->f);
+  if (s->d == s->d);
+  if (s->d != s->d);
+}