clang -cc1: Initialize LangOptions::DollarIdents correctly.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90120 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/CC1Options.cpp b/lib/Driver/CC1Options.cpp
index 9a2b5e6..88cbd54 100644
--- a/lib/Driver/CC1Options.cpp
+++ b/lib/Driver/CC1Options.cpp
@@ -549,7 +549,7 @@
   if (Args.hasArg(OPT_trigraphs))
     Opts.Trigraphs = 1;
 
-  Opts.DollarIdents = Opts.AsmPreprocessor;
+  Opts.DollarIdents = !Opts.AsmPreprocessor;
   if (Args.hasArg(OPT_fdollars_in_identifiers))
     Opts.DollarIdents = 1;