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-rw-r--r--gcc/testsuite/gcc.dg/pr51879-18.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr51879-18.c b/gcc/testsuite/gcc.dg/pr51879-18.c
new file mode 100644
index 00000000000..95629f12261
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr51879-18.c
@@ -0,0 +1,17 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-pre -fno-tree-copy-prop -fno-tree-dominator-opts -fno-tree-copyrename" } */
+
+extern int foo (void);
+
+void bar (int c, int *p)
+{
+ int *q = p;
+
+ if (c)
+ *p = foo ();
+ else
+ *q = foo ();
+}
+
+/* { dg-final { scan-tree-dump-times "foo \\(" 1 "pre"} } */
+/* { dg-final { cleanup-tree-dump "pre" } } */