| // RUN: %clang_cc1 -fsyntax-only -Wextra -std=c++2a -verify %s |
| // RUN: %clang_cc1 -fsyntax-only -Wextra-semi-stmt -std=c++2a -verify %s |
| // RUN: %clang_cc1 -fsyntax-only -Wempty-init-stmt -std=c++2a -verify %s |
| // RUN: %clang_cc1 -x c++ -Wempty-init-stmt -std=c++2a -fixit %t |
| // RUN: %clang_cc1 -x c++ -Wempty-init-stmt -std=c++2a -Werror %t |
| if (; true) // expected-warning {{empty initialization statement of 'if' has no effect}} |
| switch (; x) { // expected-warning {{empty initialization statement of 'switch' has no effect}} |
| for (; int y : S()) // expected-warning {{empty initialization statement of 'range-based for' has no effect}} |
| void with_null_macro(int x) { |
| for (NULLMACRO; int y : S()) |
| void with_semi_macro(int x) { |
| for (SEMIMACRO int y : S()) |
| #define PASSTHROUGHMACRO(x) x |
| void with_passthrough_macro(int x) { |
| if (PASSTHROUGHMACRO(;) true) |
| switch (PASSTHROUGHMACRO(;) x) { |
| for (PASSTHROUGHMACRO(;) int y : S()) |