diff options
| -rw-r--r-- | lib/Lex/TokenLexer.cpp | 4 | ||||
| -rw-r--r-- | test/Preprocessor/macro_paste_c_block_comment.c | 3 | ||||
| -rw-r--r-- | test/Preprocessor/macro_paste_identifier_error.c | 7 |
3 files changed, 12 insertions, 2 deletions
diff --git a/lib/Lex/TokenLexer.cpp b/lib/Lex/TokenLexer.cpp index 696754c741..81c9d0ab7a 100644 --- a/lib/Lex/TokenLexer.cpp +++ b/lib/Lex/TokenLexer.cpp @@ -568,8 +568,8 @@ bool TokenLexer::PasteTokens(Token &Tok) { << Buffer.str(); } - // Do not consume the RHS. - --CurToken; + // An error has occurred so exit loop. + break; } // Turn ## into 'unknown' to avoid # ## # from looking like a paste diff --git a/test/Preprocessor/macro_paste_c_block_comment.c b/test/Preprocessor/macro_paste_c_block_comment.c index c690a4c7c9..92b2f60188 100644 --- a/test/Preprocessor/macro_paste_c_block_comment.c +++ b/test/Preprocessor/macro_paste_c_block_comment.c @@ -3,3 +3,6 @@ #define COMM / ## * COMM // expected-error {{pasting formed '/*', an invalid preprocessing token}} +// Demonstrate that an invalid preprocessing token +// doesn't swallow the rest of the file... +#error EOF // expected-error {{EOF}} diff --git a/test/Preprocessor/macro_paste_identifier_error.c b/test/Preprocessor/macro_paste_identifier_error.c new file mode 100644 index 0000000000..457e6f7fc1 --- /dev/null +++ b/test/Preprocessor/macro_paste_identifier_error.c @@ -0,0 +1,7 @@ +// RUN: %clang_cc1 -fms-extensions -Wno-invalid-token-paste %s -verify +// RUN: %clang_cc1 -E -fms-extensions -Wno-invalid-token-paste %s | FileCheck %s +// RUN: %clang_cc1 -E -fms-extensions -Wno-invalid-token-paste -x assembler-with-cpp %s | FileCheck %s + +#define foo a ## b ## = 0 +int foo; +// CHECK: int ab = 0; |