| Benjamin Kramer | 9aa0d39 | 2010-06-25 12:48:07 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -fsyntax-only -verify -pedantic %s |
| Douglas Gregor | 227c352 | 2011-10-12 18:51:02 +0000 | [diff] [blame] | 2 | // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify -pedantic %s |
| 3 | float f = 0x1p+1; // expected-warning{{hexadecimal floating constants are a C99 feature}} |
| Aaron Ballman | b97a5ad | 2012-02-07 13:46:03 +0000 | [diff] [blame] | 4 | double e = 0x.p0; //expected-error{{hexadecimal floating constants require a significand}} |
| Aaron Ballman | e1224a5 | 2012-02-08 13:36:33 +0000 | [diff] [blame] | 5 | double d = 0x.2p2; // expected-warning{{hexadecimal floating constants are a C99 feature}} |
| 6 | float g = 0x1.2p2; // expected-warning{{hexadecimal floating constants are a C99 feature}} |
| 7 | double h = 0x1.p2; // expected-warning{{hexadecimal floating constants are a C99 feature}} |
| Richard Smith | e6799dd | 2012-06-15 05:07:49 +0000 | [diff] [blame] | 8 | |
| 9 | // PR12717: In order to minimally diverge from the C++ standard, we do not lex |
| 10 | // 'p[+-]' as part of a pp-number unless the token starts 0x and doesn't contain |
| 11 | // an underscore. |
| 12 | double i = 0p+3; // expected-error{{invalid suffix 'p' on integer constant}} |
| 13 | #define PREFIX(x) foo ## x |
| 14 | double foo0p = 1, j = PREFIX(0p+3); // ok |
| Hans Wennborg | cda4b6d | 2013-12-11 23:40:50 +0000 | [diff] [blame^] | 15 | double k = 0x42_amp+3; // expected-error-re{{{{invalid suffix '_amp' on integer constant|no matching literal operator for call to 'operator "" _amp'}}}} |