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diff gcc/testsuite/gcc.dg/pr87490.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/pr87490.c	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,13 @@
+/* PR tree-optimization/87490 - ICE in expand_builtin_strnlen with a constant
+   argument and non-constant bound
+   { dg-do compile }
+   { dg-options "-O1 -Wall -fno-optimize-strlen" }  */
+
+void test_O1 (int i)
+{
+  int n = (i & 3) | 1;
+
+  /* The ICE here triggers at -O1, with tree-ssa-strlen disabled.  */
+  if (__builtin_strnlen ("", n) != 0)
+    __builtin_abort ();
+}