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-rw-r--r--gcc-4.9/gcc/testsuite/c-c++-common/pr56493.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/c-c++-common/pr56493.c b/gcc-4.9/gcc/testsuite/c-c++-common/pr56493.c
new file mode 100644
index 000000000..418126043
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/c-c++-common/pr56493.c
@@ -0,0 +1,16 @@
+/* PR c++/56493 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-gimple" } */
+
+unsigned long long bar (void);
+int x;
+
+void
+foo (void)
+{
+ x += bar ();
+}
+
+/* Verify we narrow the addition from unsigned long long to unsigned int type. */
+/* { dg-final { scan-tree-dump " (\[a-zA-Z._0-9]*) = \\(unsigned int\\) \[^;\n\r]*;.* (\[a-zA-Z._0-9]*) = \\(unsigned int\\) \[^;\n\r]*;.* = \\1 \\+ \\2;" "gimple" { target { ilp32 || lp64 } } } } */
+/* { dg-final { cleanup-tree-dump "gimple" } } */