llvm-project/clang/test/Frontend/warning-mapping-6.c
James Y Knight 3f8b916698 Fix the behavior of clang's -w flag.
It is intended to disable _all_ warnings, even those upgraded to
errors via `-Werror=warningname` or `#pragma clang diagnostic error'

Fixes: https://llvm.org/PR38231
Differential Revision: https://reviews.llvm.org/D53199

llvm-svn: 352535
2019-01-29 19:33:48 +00:00

10 lines
226 B
C

// Check that "#pragma diagnostic error" is suppressed by -w.
//
// RUN: %clang_cc1 -verify -Werror -w %s
// expected-no-diagnostics
#pragma gcc diagnostic error "-Wsign-compare"
int f0(int x, unsigned y) {
return x < y;
}