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authorRichard Biener <rguenther@suse.de>2014-05-07 08:04:15 +0000
committerRichard Biener <rguenth@gcc.gnu.org>2014-05-07 08:04:15 +0000
commit9c13483b14af847e3f3d1753519db25b4ae77fb6 (patch)
treef1fcac6ee19a5054e143a7d5eb4889f893068b3d /gcc
parentfaeb5f91162f3d9ecf5df78cca7f55a221dc025b (diff)
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re PR tree-optimization/57864 (ICE in bitmap_set_replace_value, at tree-ssa-pre.c:862)
2014-05-07 Richard Biener <rguenther@suse.de> PR tree-optimization/57864 * gcc.dg/torture/pr57864.c: New testcase. From-SVN: r210142
Diffstat (limited to 'gcc')
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gcc.dg/torture/pr57864.c37
2 files changed, 42 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 38bb9e2..c7a1b05 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2014-05-07 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/57864
+ * gcc.dg/torture/pr57864.c: New testcase.
+
2014-05-06 Jerry DeLisle <jvdelisle@gcc.gnu>
PR libfortran/61049
diff --git a/gcc/testsuite/gcc.dg/torture/pr57864.c b/gcc/testsuite/gcc.dg/torture/pr57864.c
new file mode 100644
index 0000000..93962c2
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr57864.c
@@ -0,0 +1,37 @@
+/* { dg-do compile } */
+
+union U {
+ double val;
+ union U *ptr;
+};
+
+union U *d;
+double a;
+int b;
+int c;
+
+static void fn1(union U *p1, int p2, _Bool p3)
+{
+ union U *e;
+
+ if (p2 == 0)
+ a = ((union U*)((unsigned long)p1 & ~1))->val;
+
+ if (b) {
+ e = p1;
+ } else if (c) {
+ e = ((union U*)((unsigned long)p1 & ~1))->ptr;
+ d = e;
+ } else {
+ e = 0;
+ d = ((union U*)0)->ptr;
+ }
+
+ fn1 (e, 0, 0);
+ fn1 (0, 0, p3);
+}
+
+void fn2 (void)
+{
+ fn1 (0, 0, 0);
+}