[clang-cl] Ignore space-separated /AI arguments

The /AI flag is for #using directives, which I don't think we support.
This is consistent with how the /I flag is handled by MSVC.  Add a test
for it.

Differential Revision: https://reviews.llvm.org/D57189

llvm-svn: 352119

diff --git a/clang/include/clang/Driver/CLCompatOptions.td b/clang/include/clang/Driver/CLCompatOptions.td
index 4014698..605197e 100644 (file)
--- a/clang/include/clang/Driver/CLCompatOptions.td
+++ b/clang/include/clang/Driver/CLCompatOptions.td
@@ -394,7 +394,7 @@ def _SLASH_Zo_ : CLIgnoredFlag<"Zo-">;
 
 // Unsupported:
 
-def _SLASH_AI : CLJoined<"AI">;
+def _SLASH_AI : CLJoinedOrSeparate<"AI">;
 def _SLASH_Bt : CLFlag<"Bt">;
 def _SLASH_Bt_plus : CLFlag<"Bt+">;
 def _SLASH_clr : CLJoined<"clr">;

diff --git a/clang/test/Driver/cl-options.c b/clang/test/Driver/cl-options.c
index f5171d5..4087ef3 100644 (file)
--- a/clang/test/Driver/cl-options.c
+++ b/clang/test/Driver/cl-options.c
@@ -387,6 +387,7 @@
 // (/Zs is for syntax-only)
 // RUN: %clang_cl /Zs \
 // RUN:     /AIfoo \
+// RUN:     /AI foo_does_not_exist \
 // RUN:     /Bt \
 // RUN:     /Bt+ \
 // RUN:     /clr:pure \