This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

[PATCH] Testcase for fixed PR65258


Committed.

Richard.

2017-12-14  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/65258
	* gcc.dg/Warray-bounds-23.c: New testcase.

Index: gcc/testsuite/gcc.dg/Warray-bounds-23.c
===================================================================
--- gcc/testsuite/gcc.dg/Warray-bounds-23.c	(nonexistent)
+++ gcc/testsuite/gcc.dg/Warray-bounds-23.c	(working copy)
@@ -0,0 +1,15 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -Warray-bounds" } */
+
+int main()
+{
+  unsigned i, j, a[10] = {0};
+
+  for (j = 23; j < 25; j++){
+      for (i = j / 8; i --> 0;) a[i] = 0; /* { dg-bogus "array bounds" } */
+      for (i =     1; i --> 0;) __builtin_printf("%u", a[i]);
+  }
+
+  return 0;
+}
+


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]