[PATCH] D87409: [libTooling] Fix use of `char` in comparison.

[Yitzhak Mandelbaum via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rGa5cefd95cc60: [libTooling] Fix use of `char` in comparison. (authored by ymandel).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D87409/new/

https://reviews.llvm.org/D87409

Files:
  clang/lib/Tooling/Transformer/Parsing.cpp


Index: clang/lib/Tooling/Transformer/Parsing.cpp
===================================================================
--- clang/lib/Tooling/Transformer/Parsing.cpp
+++ clang/lib/Tooling/Transformer/Parsing.cpp
@@ -148,7 +148,7 @@
 }
 
 static StringRef consumeWhitespace(StringRef S) {
-  return S.drop_while([](char c) { return c >= 0 && isWhitespace(c); });
+  return S.drop_while([](char c) { return isASCII(c) && isWhitespace(c); });
 }
 
 // Parses a single expected character \c c from \c State, skipping preceding
@@ -165,7 +165,7 @@
 static ExpectedProgress<std::string> parseId(ParseState State) {
   State.Input = consumeWhitespace(State.Input);
   auto Id = State.Input.take_while(
-      [](char c) { return c >= 0 && isIdentifierBody(c); });
+      [](char c) { return isASCII(c) && isIdentifierBody(c); });
   if (Id.empty())
     return makeParseError(State, "failed to parse name");
   return makeParseProgress(advance(State, Id.size()), Id.str());


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