[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

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@352119 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/clang/Driver/CLCompatOptions.td b/include/clang/Driver/CLCompatOptions.td
index 4014698895430ebe6eb943721e888308407b9854..605197efc13cb1d0d22ccbdb7044367a74ca190f 100644 (file)
--- a/include/clang/Driver/CLCompatOptions.td
+++ b/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/test/Driver/cl-options.c b/test/Driver/cl-options.c
index f5171d5c040c5aa54267a25d627e6bcda742691e..4087ef3b8c324e6fba371adeae062828182efd79 100644 (file)
--- a/test/Driver/cl-options.c
+++ b/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 \