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diff gcc/testsuite/gcc.dg/Walloca-6.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/Walloca-6.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,12 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target alloca } */
+/* { dg-options "-Walloca-larger-than=256 -O2" } */
+/* { dg-xfail-if "Currently broken but Andrew's work should fix this" { *-*-* } } */
+
+void f (void*);
+void g (__SIZE_TYPE__ n)
+{
+  // No warning on this case.  Range is easily determinable.
+  if (n > 0 && n < 256)
+    f (__builtin_alloca (n));
+}