--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clang/test/Preprocessor/cxx_compl.cpp	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,16 @@
+// RUN: %clang_cc1 -DA=1 -E %s | grep 'int a = 37 == 37'
+// RUN: %clang_cc1 -DA=0 -E %s | grep 'int a = 927 == 927'
+// RUN: %clang_cc1 -E %s | grep 'int a = 927 == 927'
+#if compl 0 bitand A
+#define X 37
+#else
+#define X 927
+#endif
+
+#if ~0 & A
+#define Y 37
+#else
+#define Y 927
+#endif
+
+int a = X == Y;