|  | // REQUIRES: case-insensitive-filesystem | 
|  |  | 
|  | // RUN: rm -rf %t && split-file %s %t | 
|  | // RUN: sed "s|DIR|%{/t:real}|g" %t/tu.c.in > %t/tu.c | 
|  | // RUN: %clang_cc1 -fsyntax-only %t/tu.c 2>&1 | FileCheck %s -DDIR=%{/t:real} | 
|  |  | 
|  | //--- header.h | 
|  | //--- tu.c.in | 
|  | #import "DIR/Header.h" | 
|  | // CHECK:      tu.c:1:9: warning: non-portable path to file '"[[DIR]]/header.h"'; specified path differs in case from file name on disk [-Wnonportable-include-path] | 
|  | // CHECK-NEXT:    1 | #import "[[DIR]]/Header.h" | 
|  | // CHECK-NEXT:      |         ^~~~~~~~~~~~~~~~~~ | 
|  | // CHECK-NEXT:      |         "[[DIR]]/header.h" |