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authorTom de Vries <tom@codesourcery.com>2012-01-27 10:38:34 +0000
committerTom de Vries <vries@gcc.gnu.org>2012-01-27 10:38:34 +0000
commit10c7477699e2d8906204293e15c64b34d1e62231 (patch)
tree417089317dbfa4512947c7a5adafddfec9bce5c6 /gcc
parent842679dc9f6a1398bc192a85401913608ccc967a (diff)
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re PR tree-optimization/51990 (ICE in copy_reference_ops_from_ref)
2012-01-27 Tom de Vries <tom@codesourcery.com> PR tree-optimization/51990 * gcc.dg/pr51990.c: New test. * gcc.dg/pr51990-2.c: Same. From-SVN: r183615
Diffstat (limited to 'gcc')
-rw-r--r--gcc/testsuite/ChangeLog6
-rw-r--r--gcc/testsuite/gcc.dg/pr51990-2.c32
-rw-r--r--gcc/testsuite/gcc.dg/pr51990.c23
3 files changed, 61 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index f08fb6c..58311bc 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2012-01-27 Tom de Vries <tom@codesourcery.com>
+
+ PR tree-optimization/51990
+ * gcc.dg/pr51990.c: New test.
+ * gcc.dg/pr51990-2.c: Same.
+
2012-01-27 Paul Thomas <pault@gcc.gnu.org>
Tobias Burnus <burnus@gcc.gnu.org>
diff --git a/gcc/testsuite/gcc.dg/pr51990-2.c b/gcc/testsuite/gcc.dg/pr51990-2.c
new file mode 100644
index 0000000..1ced0a8
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr51990-2.c
@@ -0,0 +1,32 @@
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+int y;
+extern int foo (int, ...) __attribute__((pure));
+
+int
+zzz (char *s1, char *s2, int len, int *q, int c)
+{
+ int z = 5;
+ unsigned int i, b;
+ struct s { char a[z]; };
+ struct s x;
+ int y_tmp = 5;
+
+ for (i = 0; i < len; i++)
+ s1[i] = s2[i];
+
+ b = z & 0x3;
+
+ len += (b == 0 ? 0 : 1) + z;
+
+ *q = len;
+
+ if (c)
+ y_tmp = foo (z, x, x) + 4;
+
+ z = foo (z, x, x) + 4;
+ y = y_tmp;
+
+ return z;
+}
diff --git a/gcc/testsuite/gcc.dg/pr51990.c b/gcc/testsuite/gcc.dg/pr51990.c
new file mode 100644
index 0000000..c7d1b53
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr51990.c
@@ -0,0 +1,23 @@
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+int
+zzz (char *s1, char *s2, int len, int *q)
+{
+ int z = 5;
+ unsigned int i, b;
+ struct s { char a[z]; };
+ struct s x;
+
+ extern int foo (int, ...) __attribute__((pure));
+
+ for (i = 0; i < len; i++)
+ s1[i] = s2[i];
+
+ b = z & 0x3;
+
+ len += (b == 0 ? 0 : 1) + z;
+
+ *q = len;
+ return foo (z, x, x);
+}