[ClangImporter] check bit width for bitwise operators

Author: IngmarStein

lib/ClangImporter/ImportMacro.cpp

@@ -433,9 +433,17 @@ static ValueDecl *importMacro(ClangImporter::Implementation &impl,
 
         clang::APValue value;
         if (tokenI[1].is(clang::tok::pipe)) {
-          value = clang::APValue(firstInteger | secondInteger);
+          if (firstInteger.getBitWidth() == secondInteger.getBitWidth()) {
+            value = clang::APValue(firstInteger | secondInteger);
+          } else {
+            return nullptr;
+          }
         } else if (tokenI[1].is(clang::tok::amp)) {
-          value = clang::APValue(firstInteger & secondInteger);
+          if (firstInteger.getBitWidth() == secondInteger.getBitWidth()) {
+            value = clang::APValue(firstInteger & secondInteger);
+          } else {
+            return nullptr;
+          }
         } else if (tokenI[1].is(clang::tok::pipepipe)) {
           auto firstBool = firstInteger.getBoolValue();
           auto secondBool = firstInteger.getBoolValue();

test/IDE/Inputs/mock-sdk/Foo.framework/Headers/Foo.h

@@ -191,7 +191,8 @@ typedef int typedef_int_t;
 #define FOO_MACRO_6 ((typedef_int_t) 42)
 #define FOO_MACRO_7 ((typedef_int_t) -1)
 #define FOO_MACRO_OR (FOO_MACRO_2 | FOO_MACRO_6)
-#define FOO_MACRO_AND (FOO_MACRO_2 | FOO_MACRO_6)
+#define FOO_MACRO_AND (FOO_MACRO_2 & FOO_MACRO_6)
+#define FOO_MACRO_BITWIDTH (FOO_MACRO_4 & FOO_MACRO_5)
 
 #define FOO_MACRO_UNDEF_1 0
 #undef FOO_MACRO_UNDEF_1