| // RUN: %clang_cc1 -std=c17 -fsyntax-only -verify=ext -Wno-unused %s |
| // RUN: %clang_cc1 -std=c2x -fsyntax-only -verify=compat -Wpre-c2x-compat -Wno-unused %s |
| // RUN: %clang_cc1 -fsyntax-only -verify=cpp -Wno-unused -x c++ %s |
| |
| #if 18446744073709551615uwb // ext-warning {{'_BitInt' suffix for literals is a C2x extension}} \ |
| compat-warning {{'_BitInt' suffix for literals is incompatible with C standards before C2x}} \ |
| cpp-error {{invalid suffix 'uwb' on integer constant}} |
| #endif |
| |
| void func(void) { |
| 18446744073709551615wb; // ext-warning {{'_BitInt' suffix for literals is a C2x extension}} \ |
| compat-warning {{'_BitInt' suffix for literals is incompatible with C standards before C2x}} \ |
| cpp-error {{invalid suffix 'wb' on integer constant}} |
| } |