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-rw-r--r--gcc-4.9/gcc/testsuite/c-c++-common/ubsan/shift-5.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/c-c++-common/ubsan/shift-5.c b/gcc-4.9/gcc/testsuite/c-c++-common/ubsan/shift-5.c
new file mode 100644
index 000000000..6f9c52a72
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/c-c++-common/ubsan/shift-5.c
@@ -0,0 +1,33 @@
+/* { dg-do compile } */
+/* { dg-options "-fsanitize=shift -w" } */
+/* { dg-shouldfail "ubsan" } */
+
+int x;
+int
+foo (void)
+{
+ /* None of the following should pass. */
+ switch (x)
+ {
+ case 1 >> -1:
+/* { dg-error "case label does not reduce to an integer constant" "" {target c } 12 } */
+/* { dg-error "is not a constant expression" "" { target c++ } 12 } */
+ case -1 >> -1:
+/* { dg-error "case label does not reduce to an integer constant" "" {target c } 15 } */
+/* { dg-error "is not a constant expression" "" { target c++ } 15 } */
+ case 1 << -1:
+/* { dg-error "case label does not reduce to an integer constant" "" {target c } 18 } */
+/* { dg-error "is not a constant expression" "" { target c++ } 18 } */
+ case -1 << -1:
+/* { dg-error "case label does not reduce to an integer constant" "" {target c } 21 } */
+/* { dg-error "is not a constant expression" "" { target c++ } 21 } */
+ case -1 >> 200:
+/* { dg-error "case label does not reduce to an integer constant" "" {target c } 24 } */
+/* { dg-error "is not a constant expression" "" { target c++ } 24 } */
+ case 1 << 200:
+/* { dg-error "case label does not reduce to an integer constant" "" {target c } 27 } */
+/* { dg-error "is not a constant expression" "" { target c++ } 27 } */
+ return 1;
+ }
+ return 0;
+}