|  | // RUN: rm -rf %t | 
|  | // RUN: split-file %s %t | 
|  | // RUN: sed -e "s@NAME_DIR@%{/t:regex_replacement}/A@g" -e "s@EXTERNAL_DIR@%{/t:regex_replacement}/B@g" -e "s@REDIRECT_WITH@fallthrough@g" %t/vfs/base.yaml > %t/vfs/a-b-ft.yaml | 
|  | // RUN: sed -e "s@NAME_DIR@%{/t:regex_replacement}/A@g" -e "s@EXTERNAL_DIR@%{/t:regex_replacement}/B@g" -e "s@REDIRECT_WITH@fallback@g" %t/vfs/base.yaml > %t/vfs/a-b-fb.yaml | 
|  |  | 
|  | // Check that the external name is given when multiple overlays are provided | 
|  |  | 
|  | // RUN: %clang_cc1 -Werror -I %t/A -ivfsoverlay %t/vfs/a-b-ft.yaml -ivfsoverlay %t/vfs/empty.yaml -E -C %t/main.c 2>&1 | FileCheck --check-prefix=FROM_B %s | 
|  | // RUN: %clang_cc1 -Werror -I %t/A -ivfsoverlay %t/vfs/a-b-fb.yaml -ivfsoverlay %t/vfs/empty.yaml -E -C %t/main.c 2>&1 | FileCheck --check-prefix=FROM_B %s | 
|  | // RUN: %clang_cc1 -Werror -I %t/B -ivfsoverlay %t/vfs/a-b-ft.yaml -ivfsoverlay %t/vfs/empty.yaml -E -C %t/main.c 2>&1 | FileCheck --check-prefix=FROM_B %s | 
|  | // RUN: %clang_cc1 -Werror -I %t/B -ivfsoverlay %t/vfs/a-b-fb.yaml -ivfsoverlay %t/vfs/empty.yaml -E -C %t/main.c 2>&1 | FileCheck --check-prefix=FROM_B %s | 
|  | // FROM_B: # 1 "{{.*(/|\\\\)B(/|\\\\)}}Header.h" | 
|  | // FROM_B: // Header.h in B | 
|  |  | 
|  | //--- main.c | 
|  | #include "Header.h" | 
|  |  | 
|  | //--- B/Header.h | 
|  | // Header.h in B | 
|  |  | 
|  | //--- vfs/base.yaml | 
|  | { | 
|  | 'version': 0, | 
|  | 'redirecting-with': 'REDIRECT_WITH', | 
|  | 'roots': [ | 
|  | { 'name': 'NAME_DIR', | 
|  | 'type': 'directory-remap', | 
|  | 'external-contents': 'EXTERNAL_DIR' | 
|  | } | 
|  | ] | 
|  | } | 
|  |  | 
|  | //--- vfs/empty.yaml | 
|  | { | 
|  | 'version': 0, | 
|  | 'roots': [] | 
|  | } |