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Diffstat (limited to 'gcc/testsuite/gcc.dg/pr30904.c')
-rw-r--r--gcc/testsuite/gcc.dg/pr30904.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr30904.c b/gcc/testsuite/gcc.dg/pr30904.c
new file mode 100644
index 00000000000..31ca0497f91
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr30904.c
@@ -0,0 +1,18 @@
+/* { dg-do link } */
+/* { dg-options "-O2 -fdump-tree-optimized" } */
+
+extern int t;
+extern void link_error(void);
+int main (void)
+{
+ struct { unsigned int a : 7; } s;
+ s.a = t;
+ if (s.a >> 8)
+ link_error ();
+ if (s.a >> 9)
+ link_error ();
+}
+
+
+/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized" } } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */