vendor/compiler-rt/compiler-rt-r172839

1 files changed, 17 insertions, 0 deletions

diff --git a/lib/ubsan/lit_tests/Misc/enum.cpp b/lib/ubsan/lit_tests/Misc/enum.cpp
new file mode 100644
index 000000000000..b363fea3487f
--- /dev/null
+++ b/lib/ubsan/lit_tests/Misc/enum.cpp
@@ -0,0 +1,17 @@
+// RUN: %clang -fsanitize=enum %s -O3 -o %t && %t 2>&1 | FileCheck %s --check-prefix=CHECK-PLAIN
+// RUN: %clang -fsanitize=enum -std=c++11 -DE="class E" %s -O3 -o %t && %t
+// RUN: %clang -fsanitize=enum -std=c++11 -DE="class E : bool" %s -O3 -o %t && %t 2>&1 | FileCheck %s --check-prefix=CHECK-BOOL
+
+enum E { a = 1 } e;
+#undef E
+
+int main(int argc, char **argv) {
+  // memset(&e, 0xff, sizeof(e));
+  for (unsigned char *p = (unsigned char*)&e; p != (unsigned char*)(&e + 1); ++p)
+    *p = 0xff;
+
+  // CHECK-PLAIN: error: load of value 4294967295, which is not a valid value for type 'enum E'
+  // FIXME: Support marshalling and display of enum class values.
+  // CHECK-BOOL: error: load of value <unknown>, which is not a valid value for type 'enum E'
+  return (int)e != -1;
+}