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authorRichard Biener <rguenther@suse.de>2013-04-03 10:36:49 +0000
committerRichard Biener <rguenth@gcc.gnu.org>2013-04-03 10:36:49 +0000
commita5cde067925a0f47195b39cb595be5ef50a977c9 (patch)
tree4e838f244eed4c8f204424a270e9ce3ad9629bf7
parent47309fc03c663c43dd722c2bcfdf421aa2403659 (diff)
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re PR tree-optimization/55964 (Segmentation fault with -O -ftree-loop-distribution -funswitch-loops)
2013-04-03 Richard Biener <rguenther@suse.de> PR tree-optimization/55964 * gcc.dg/torture/pr55964-2.c: New testcase. From-SVN: r197403
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gcc.dg/torture/pr55964-2.c21
2 files changed, 26 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 71ae751..b21cba4 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,10 @@
2013-04-03 Richard Biener <rguenther@suse.de>
+ PR tree-optimization/55964
+ * gcc.dg/torture/pr55964-2.c: New testcase.
+
+2013-04-03 Richard Biener <rguenther@suse.de>
+
PR tree-optimization/56501
* gcc.dg/torture/pr56501.c: New testcase.
diff --git a/gcc/testsuite/gcc.dg/torture/pr55964-2.c b/gcc/testsuite/gcc.dg/torture/pr55964-2.c
new file mode 100644
index 0000000..a3bd09d
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr55964-2.c
@@ -0,0 +1,21 @@
+/* { dg-do compile } */
+/* { dg-options "-ftree-loop-distribution -funswitch-loops" } */
+
+struct test_struct {
+ int a, b[10], c[10], d[10];
+};
+
+extern struct test_struct* new_struct;
+
+void testfunc(struct test_struct* old_struct)
+{
+ int i;
+ for (i = 0; i < 10; ++i)
+ {
+ new_struct->b[i] = old_struct ? old_struct->b[i] : -1;
+ new_struct->c[i] = old_struct ? old_struct->c[i] : 0;
+ new_struct->d[i] = old_struct ? old_struct->d[i] : 0;
+ }
+ if (old_struct)
+ old_struct->a++;
+}