Add the clang library to the repo (with some of my changes, too).

1 files changed, 17 insertions, 0 deletions

diff --git a/clang/test/Preprocessor/pushable-diagnostics.c b/clang/test/Preprocessor/pushable-diagnostics.c
new file mode 100644
index 0000000..877eaaa
--- /dev/null
+++ b/clang/test/Preprocessor/pushable-diagnostics.c
@@ -0,0 +1,17 @@
+// RUN: %clang_cc1 -fsyntax-only -verify -pedantic %s
+
+#pragma clang diagnostic pop // expected-warning{{pragma diagnostic pop could not pop, no matching push}}
+
+#pragma clang diagnostic puhs // expected-warning {{pragma diagnostic expected 'error', 'warning', 'ignored', 'fatal', 'push', or 'pop'}}
+
+int a = 'df'; // expected-warning{{multi-character character constant}}
+
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wmultichar"
+
+int b = 'df'; // no warning.
+#pragma clang diagnostic pop
+
+int c = 'df';  // expected-warning{{multi-character character constant}}
+
+#pragma clang diagnostic pop // expected-warning{{pragma diagnostic pop could not pop, no matching push}}