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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr17141-1.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr17141-1.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr17141-1.c
new file mode 100644
index 000000000..853fe70c6
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr17141-1.c
@@ -0,0 +1,17 @@
+/* { dg-do compile } */
+/* { dg-options "-O -fdump-tree-forwprop1" } */
+
+struct A { int i; };
+int
+foo(struct A *locp, int str)
+{
+ int T355, *T356;
+ T356 = &locp->i;
+ *T356 = str;
+ return locp->i;
+}
+
+/* We should have propagated &locp->i into its dereference. */
+
+/* { dg-final { scan-tree-dump "locp_\[^\\n\]* =" "forwprop1" } } */
+/* { dg-final { cleanup-tree-dump "forwprop1" } } */