silence some errors that should not apply to .S files on code like:
''
'
'
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67237 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/Lexer.cpp b/lib/Lex/Lexer.cpp
index 0478eeb..a8a22eb 100644
--- a/lib/Lex/Lexer.cpp
+++ b/lib/Lex/Lexer.cpp
@@ -653,7 +653,7 @@
C = getAndAdvanceChar(CurPtr, Result);
} else if (C == '\n' || C == '\r' || // Newline.
(C == 0 && CurPtr-1 == BufferEnd)) { // End of file.
- if (!isLexingRawMode())
+ if (!isLexingRawMode() && !Features.AsmPreprocessor)
Diag(BufferPtr, diag::err_unterminated_string);
FormTokenWithChars(Result, CurPtr-1, tok::unknown);
return;
@@ -687,7 +687,7 @@
C = getAndAdvanceChar(CurPtr, Result);
} else if (C == '\n' || C == '\r' || // Newline.
(C == 0 && CurPtr-1 == BufferEnd)) { // End of file.
- if (!isLexingRawMode())
+ if (!isLexingRawMode() && !Features.AsmPreprocessor)
Diag(BufferPtr, diag::err_unterminated_angled_string);
FormTokenWithChars(Result, CurPtr-1, tok::unknown);
return;
@@ -716,7 +716,7 @@
// Handle the common case of 'x' and '\y' efficiently.
char C = getAndAdvanceChar(CurPtr, Result);
if (C == '\'') {
- if (!isLexingRawMode())
+ if (!isLexingRawMode() && !Features.AsmPreprocessor)
Diag(BufferPtr, diag::err_empty_character);
FormTokenWithChars(Result, CurPtr, tok::unknown);
return;
@@ -737,7 +737,7 @@
C = getAndAdvanceChar(CurPtr, Result);
} else if (C == '\n' || C == '\r' || // Newline.
(C == 0 && CurPtr-1 == BufferEnd)) { // End of file.
- if (!isLexingRawMode())
+ if (!isLexingRawMode() && !Features.AsmPreprocessor)
Diag(BufferPtr, diag::err_unterminated_char);
FormTokenWithChars(Result, CurPtr-1, tok::unknown);
return;