Add test to make sure that #pragma mark/error doesn't error if there are

unbalanced quotes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46476 91177308-0d34-0410-b5e6-96231b3b80d8

test/CFrontend/2008-01-28-PragmaMark.c

@@ -0,0 +1,6 @@
+// RUN: %llvmgcc -Werror -c %s -o /dev/null
+#pragma mark LLVM's world
+#ifdef DO_ERROR
+#error LLVM's world
+#endif
+int i;