diff options
Diffstat (limited to 'clang/test')
| -rw-r--r-- | clang/test/Lexer/c90.c | 7 | ||||
| -rw-r--r-- | clang/test/Lexer/hexfloat.cpp | 8 |
2 files changed, 15 insertions, 0 deletions
diff --git a/clang/test/Lexer/c90.c b/clang/test/Lexer/c90.c index d91057257df..7142c09ac48 100644 --- a/clang/test/Lexer/c90.c +++ b/clang/test/Lexer/c90.c @@ -32,3 +32,10 @@ void test3() { (void)L"\u1234"; // expected-error {{unicode escape sequences are only valid in C99 or C++}} (void)L'\u1234'; // expected-error {{unicode escape sequences are only valid in C99 or C++}} } + +#define PREFIX(x) foo ## x +int test4() { + int PREFIX(0p) = 0; + int *p = &PREFIX(0p+1); + return p[-1]; +} diff --git a/clang/test/Lexer/hexfloat.cpp b/clang/test/Lexer/hexfloat.cpp index 656693399fa..9bd8f830f03 100644 --- a/clang/test/Lexer/hexfloat.cpp +++ b/clang/test/Lexer/hexfloat.cpp @@ -5,3 +5,11 @@ double e = 0x.p0; //expected-error{{hexadecimal floating constants require a sig double d = 0x.2p2; // expected-warning{{hexadecimal floating constants are a C99 feature}} float g = 0x1.2p2; // expected-warning{{hexadecimal floating constants are a C99 feature}} double h = 0x1.p2; // expected-warning{{hexadecimal floating constants are a C99 feature}} + +// PR12717: In order to minimally diverge from the C++ standard, we do not lex +// 'p[+-]' as part of a pp-number unless the token starts 0x and doesn't contain +// an underscore. +double i = 0p+3; // expected-error{{invalid suffix 'p' on integer constant}} +#define PREFIX(x) foo ## x +double foo0p = 1, j = PREFIX(0p+3); // ok +double k = 0x42_amp+3; // expected-error-re{{invalid suffix '_amp' on integer constant|no matching literal operator for call to 'operator "" _amp'}} |
