Sema: Just ignore '#pragma options align=power' for now, this is no worse than

what we used to be doing, and makes sure that paired '#pragma options
align=reset' won't fail.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@104998 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Sema/SemaAttr.cpp

@@ -135,7 +135,6 @@ void Sema::ActOnPragmaOptionsAlign(PragmaOptionsAlignKind Kind,
     return;
   }
 
-  // We don't support #pragma options align=power.
   switch (Kind) {
     // For all targets we support native and natural are the same.
     //
@@ -146,6 +145,12 @@ void Sema::ActOnPragmaOptionsAlign(PragmaOptionsAlignKind Kind,
     Context->setAlignment(0);
     break;
 
+    // FIXME: We just ignore #pragma options align=power for now.
+  case POAK_Power:
+    Context->push(0);
+    Context->setAlignment(0);
+    break;
+
     // Note that '#pragma options align=packed' is not equivalent to attribute
     // packed, it has a different precedence relative to attribute aligned.
   case POAK_Packed:

test/Parser/pragma-options.c

@@ -9,4 +9,4 @@
 #pragma options align=natural
 #pragma options align=reset
 #pragma options align=mac68k
-/* expected-warning {{unsupported alignment option}} */ #pragma options align=power
+#pragma options align=power