1f4a2713aSLionel Sambuc // RUN: %clang_cc1 -fsyntax-only -verify -pedantic %s 2f4a2713aSLionel Sambuc // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify -pedantic %s 3f4a2713aSLionel Sambuc float f = 0x1p+1; // expected-warning{{hexadecimal floating constants are a C99 feature}} 4f4a2713aSLionel Sambuc double e = 0x.p0; //expected-error{{hexadecimal floating constants require a significand}} 5f4a2713aSLionel Sambuc double d = 0x.2p2; // expected-warning{{hexadecimal floating constants are a C99 feature}} 6f4a2713aSLionel Sambuc float g = 0x1.2p2; // expected-warning{{hexadecimal floating constants are a C99 feature}} 7f4a2713aSLionel Sambuc double h = 0x1.p2; // expected-warning{{hexadecimal floating constants are a C99 feature}} 8f4a2713aSLionel Sambuc 9f4a2713aSLionel Sambuc // PR12717: In order to minimally diverge from the C++ standard, we do not lex 10f4a2713aSLionel Sambuc // 'p[+-]' as part of a pp-number unless the token starts 0x and doesn't contain 11f4a2713aSLionel Sambuc // an underscore. 12f4a2713aSLionel Sambuc double i = 0p+3; // expected-error{{invalid suffix 'p' on integer constant}} 13f4a2713aSLionel Sambuc #define PREFIX(x) foo ## x 14f4a2713aSLionel Sambuc double foo0p = 1, j = PREFIX(0p+3); // ok 15*0a6a1f1dSLionel Sambuc double k = 0x42_amp+3; // expected-error-re{{{{invalid suffix '_amp' on integer constant|no matching literal operator for call to 'operator "" _amp'}}}} 16