Simplify raw mode lexing by treating an unterminate /**/ comment the

same we we do an unterminated string or character literal.  This makes
it so we can guarantee that the lexer never calls into the 
preprocessor (which would be suicide for a raw lexer).

llvm-svn: 57395

1 files changed, 1 insertions, 5 deletions

diff --git a/clang/lib/Lex/TokenLexer.cpp b/clang/lib/Lex/TokenLexer.cpp
index d3acaeaab54..82b2b4df0b0 100644
--- a/clang/lib/Lex/TokenLexer.cpp
+++ b/clang/lib/Lex/TokenLexer.cpp
@@ -377,11 +377,7 @@ bool TokenLexer::PasteTokens(Token &Tok) {
     // Lex the resultant pasted token into Result.
     Token Result;
     
-    // Avoid testing /*, as the lexer would think it is the start of a comment
-    // and emit an error that it is unterminated.
-    if (Tok.is(tok::slash) && RHS.is(tok::star)) {
-      isInvalid = true;
-    } else if (Tok.is(tok::identifier) && RHS.is(tok::identifier)) {
+    if (Tok.is(tok::identifier) && RHS.is(tok::identifier)) {
       // Common paste case: identifier+identifier = identifier.  Avoid creating
       // a lexer and other overhead.
       PP.IncrementPasteCounter(true);