Tell the string literal parser when it's not permitted to emit

diagnostics. That would be while we're parsing string literals for the
sole purpose of producing a diagnostic about them. Fixes
<rdar://problem/8026030>.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@104684 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 3 insertions, 2 deletions

diff --git a/lib/Sema/SemaChecking.cpp b/lib/Sema/SemaChecking.cpp
index 8474944f06..4f3f41b715 100644
--- a/lib/Sema/SemaChecking.cpp
+++ b/lib/Sema/SemaChecking.cpp
@@ -75,14 +75,15 @@ SourceLocation Sema::getLocationOfStringLiteralByte(const StringLiteral *SL,
     TheLexer.LexFromRawLexer(TheTok);
 
     // Use the StringLiteralParser to compute the length of the string in bytes.
-    StringLiteralParser SLP(&TheTok, 1, PP);
+    StringLiteralParser SLP(&TheTok, 1, PP, /*Complain=*/false);
     unsigned TokNumBytes = SLP.GetStringLength();
 
     // If the byte is in this token, return the location of the byte.
     if (ByteNo < TokNumBytes ||
         (ByteNo == TokNumBytes && TokNo == SL->getNumConcatenated())) {
       unsigned Offset =
-        StringLiteralParser::getOffsetOfStringByte(TheTok, ByteNo, PP);
+        StringLiteralParser::getOffsetOfStringByte(TheTok, ByteNo, PP,
+                                                   /*Complain=*/false);
 
       // Now that we know the offset of the token in the spelling, use the
       // preprocessor to get the offset in the original source.