Treat deprecation warnings as errors.

Signed-off-by: Julian Oppermann <[email protected]>

Author: jopperm

clang/lib/CIR/CMakeLists.txt

@@ -1,6 +1,8 @@
 include_directories(${LLVM_MAIN_SRC_DIR}/../mlir/include)
 include_directories(${CMAKE_BINARY_DIR}/tools/mlir/include)
 
+add_compile_options("-Werror=deprecated-declarations")
+
 add_subdirectory(Dialect)
 add_subdirectory(CodeGen)
 add_subdirectory(FrontendAction)

clang/lib/CIR/Dialect/IR/CIRTypes.cpp

@@ -583,9 +583,9 @@ Type IntType::parse(mlir::AsmParser &parser) {
   llvm::StringRef sign;
   if (parser.parseKeyword(&sign))
     return {};
-  if (sign.equals("s"))
+  if (sign == "s")
     isSigned = true;
-  else if (sign.equals("u"))
+  else if (sign == "u")
     isSigned = false;
   else {
     parser.emitError(loc, "expected 's' or 'u'");