[clang] [Clang] fix missing source location for errors in macro-expanded (PR #143460)

[Ross Kirsling via cfe-commits]

================
@@ -832,10 +832,13 @@ StmtResult Parser::ParseCaseStatement(ParsedStmtContext 
StmtCtx,
           << "'case'" << tok::colon
           << FixItHint::CreateReplacement(ColonLoc, ":");
     } else {
-      SourceLocation ExpectedLoc = PP.getLocForEndOfToken(PrevTokLocation);
+      SourceLocation ExpectedLoc = getEndOfPreviousToken();
+
       Diag(ExpectedLoc, diag::err_expected_after)
           << "'case'" << tok::colon
-          << FixItHint::CreateInsertion(ExpectedLoc, ":");
+          << FixItHint::CreateInsertion(ExpectedLoc,
+                                        tok::getTokenName(tok::colon));
----------------
rkirsling wrote:

Whoops, looks like this caused the word `colon` to be displayed instead of `:`.
https://godbolt.org/z/rjzdsKqqh

https://github.com/llvm/llvm-project/pull/143460
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