diff options
Diffstat (limited to 'clang/test/Frontend/system-header-line-directive.c')
-rw-r--r-- | clang/test/Frontend/system-header-line-directive.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/clang/test/Frontend/system-header-line-directive.c b/clang/test/Frontend/system-header-line-directive.c new file mode 100644 index 00000000000..16dde643a5b --- /dev/null +++ b/clang/test/Frontend/system-header-line-directive.c @@ -0,0 +1,20 @@ +// RUN: %clang_cc1 -Wall %s -isystem %S/Inputs/SystemHeaderPrefix -verify +// RUN: %clang_cc1 %s -E -o - -isystem %S/Inputs/SystemHeaderPrefix | FileCheck %s +#include <noline.h> +#include <line.h> + +// This tests that "#line" directives in system headers preserve system +// header-ness just like GNU line markers that don't have filenames. This was +// PR30752. + +// expected-no-diagnostics + +// CHECK: # {{[0-9]+}} "{{.*}}system-header-line-directive.c" 2 +// CHECK: # 1 "{{.*}}noline.h" 1 3 +// CHECK: foo(); +// CHECK: # 4 "{{.*}}system-header-line-directive.c" 2 +// CHECK: # 1 "{{.*}}line.h" 1 3 +// The "3" below indicates that "foo.h" is considered a system header. +// CHECK: # 1 "foo.h" 3 +// CHECK: foo(); +// CHECK: # {{[0-9]+}} "{{.*}}system-header-line-directive.c" 2 |