Pass "-arch" down to clang.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50056 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/ccc b/utils/ccc
index 6808122..fd909f9 100755
--- a/utils/ccc
+++ b/utils/ccc
@@ -99,7 +99,7 @@
             link_opts.append(arg)
         
         # Options with one argument that should be ignored
-        if arg in ['--param', '-arch', '-u']:
+        if arg in ['--param', '-u']:
             i += 1
 
         # Prefix matches for the compile mode
@@ -112,7 +112,7 @@
             compile_opts.append(arg)
 
         # Options with one argument that should pass through
-        if arg in ['-include', '-isysroot']:
+        if arg in ['-include', '-isysroot', '-arch']:
             compile_opts.append(arg)
             compile_opts.append(args[i+1])
             i += 1
@@ -124,7 +124,7 @@
             link_opts.append(arg)
 
         # Options with one argument that should pass through
-        if arg in ['-framework', '-isysroot']:
+        if arg in ['-framework', '-isysroot', '-arch']:
             link_opts.append(arg)
             link_opts.append(args[i+1])
             i += 1