1 // RUN: %clang_cc1 -x c -fsyntax-only -verify=expected,c -pedantic %s 2 // RUN: %clang_cc1 -x c++ -fsyntax-only -verify=expected,cpp %s 3 4 // RUN: %clang_cc1 -x c -fsyntax-only -verify=expected,c -pedantic %s -fexperimental-new-constant-interpreter 5 // RUN: %clang_cc1 -x c++ -fsyntax-only -verify=expected,cpp %s -fexperimental-new-constant-interpreter 6 7 enum shiftof { 8 X = (1<<-29) // c-warning {{expression is not an integer constant expression; folding it to a constant is a GNU extension}} 9 // cpp-error@-1 {{expression is not an integral constant expression}} 10 // expected-note@-2 {{negative shift count -29}} 11 }; 12