[Solaris] Move enabling IAS for SPARC from the Solaris toolchain to Generic_GCC.

llvm-svn: 351217
diff --git a/clang/lib/Driver/ToolChains/Gnu.cpp b/clang/lib/Driver/ToolChains/Gnu.cpp
index 935071f..75a0bfb 100644
--- a/clang/lib/Driver/ToolChains/Gnu.cpp
+++ b/clang/lib/Driver/ToolChains/Gnu.cpp
@@ -2475,6 +2475,12 @@
   case llvm::Triple::mips64:
   case llvm::Triple::mips64el:
     return true;
+  case llvm::Triple::sparc:
+  case llvm::Triple::sparcel:
+  case llvm::Triple::sparcv9:
+    if (getTriple().isOSSolaris())
+      return true;
+    return false;
   default:
     return false;
   }