The testcase in the PR no longer reproduces its issue.
Tested on x86_64-unknown-linux-gnu, applied.
Richard.
2012-12-21 Richard Biener <rguent...@suse.de>
PR tree-optimization/52996
* gcc.dg/torture/pr52996.c: New testcase.
Index: testsuite/gcc.dg/torture/pr52996.c
===================================================================
--- testsuite/gcc.dg/torture/pr52996.c (revision 0)
+++ testsuite/gcc.dg/torture/pr52996.c (working copy)
@@ -0,0 +1,33 @@
+/* { dg-do compile } */
+/* { dg-options "-funswitch-loops" } */
+
+int a, b, c, d, e, f;
+void
+fn1 ()
+{
+ int g, h;
+lbl_173:
+ if (a)
+ c++;
+lbl_158:
+ e = 0;
+ h = 0;
+ for (; h > -8; h--)
+ {
+ g = 0;
+ for (; g <= 0; g += 1)
+ {
+ d = 1;
+ for (; d >= 0; d -= 1)
+ a = 1;
+ if (b)
+ break;
+ if (f)
+ return;
+ if (h)
+ goto lbl_158;
+ }
+ }
+ goto lbl_173;
+}
+
