[PATCH] D93375: [clang][driver] Add -ansi option to CompileOnly group

[Timm Bäder via Phabricator via cfe-commits]

tbaeder updated this revision to Diff 316115.
tbaeder added a comment.

Okay, I've added a test and made sure it fails before and succeeds after this patch.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D93375/new/

https://reviews.llvm.org/D93375

Files:
  clang/include/clang/Driver/Options.td
  clang/test/Driver/ansi.c


Index: clang/test/Driver/ansi.c
===================================================================
--- /dev/null
+++ clang/test/Driver/ansi.c
@@ -0,0 +1,19 @@
+// Check that -std=c89 and -ansi are both not forwarded to the linker
+// RUN: %clang -std=c89 %s -### -o %t.o 2>&1 | FileCheck --check-prefix=CHECK %s
+// CHECK: -std=c89
+// CHECK-NOT: -std=c89
+
+// Same check with -ansi (which is an alias for -std=c89)
+// RUN: %clang -ansi %s -### -o %t.o 2>&1 | FileCheck --check-prefix=ANSI %s
+// ANSI: -std=c89
+// ANSI-NOT: -ansi
+
+// Passing -std to linking and compiling is both valid
+// RUN: %clang -std=c89 %s -c -o %t1.o && %clang %t1.o -Werror -std=c89 -o %t1
+
+// Same for -ansi
+// RUN: %clang -ansi %s -c -o %t2.o && %clang %t2.o -Werror -ansi -o %t1
+
+int main(int argc, char **argv)
+{
+}
Index: clang/include/clang/Driver/Options.td
===================================================================
--- clang/include/clang/Driver/Options.td
+++ clang/include/clang/Driver/Options.td
@@ -800,7 +800,7 @@
 def Z_Joined : Joined<["-"], "Z">;
 def all__load : Flag<["-"], "all_load">;
 def allowable__client : Separate<["-"], "allowable_client">;
-def ansi : Flag<["-", "--"], "ansi">;
+def ansi : Flag<["-", "--"], "ansi">, Group<CompileOnly_Group>;
 def arch__errors__fatal : Flag<["-"], "arch_errors_fatal">;
 def arch : Separate<["-"], "arch">, Flags<[NoXarchOption]>;
 def arch__only : Separate<["-"], "arch_only">;


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