Accept -Wno-arc-abi without warning for a while.

Xcode 4.5 passes -Wno-arc-abi to clang, which makes a clang newer than
r163917 warn that it doesn't understand -Wno-arc-abi. I asked if adding
this is ok at
http://lists.cs.uiuc.edu/pipermail/cfe-commits/Week-of-Mon-20121015/066433.html
and nobody objected.

Adding this makes life a bit easier for the chromium project. If you think
this is a burden on for clang, shout, and I'll revert this.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166370 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/clang/Basic/DiagnosticGroups.td b/include/clang/Basic/DiagnosticGroups.td
index 97713ded9415618ef3afd64b754d1f5673cc42ad..ec4deaafbecab38c8b59febd4ffdb2aa2fb6529f 100644 (file)
--- a/include/clang/Basic/DiagnosticGroups.td
+++ b/include/clang/Basic/DiagnosticGroups.td
@@ -279,6 +279,8 @@ def ImplicitAtomic : DiagGroup<"implicit-atomic-properties">;
 def CustomAtomic : DiagGroup<"custom-atomic-properties">;
 def AtomicProperties : DiagGroup<"atomic-properties",
                                  [ImplicitAtomic, CustomAtomic]>;
+// FIXME: Remove arc-abi once an Xcode is released that doesn't pass this flag.
+def : DiagGroup<"arc-abi">;
 def ARCUnsafeRetainedAssign : DiagGroup<"arc-unsafe-retained-assign">;
 def ARCRetainCycles : DiagGroup<"arc-retain-cycles">;
 def ARCNonPodMemAccess : DiagGroup<"arc-non-pod-memaccess">;