Initialize the ConstantArraySizeAsWritten field of PrintingPolicy class.

It contained garbage since the constructor didn't initialize it and caused test/Sema/array-constraint.c to randomly fail.

llvm-svn: 74989

Author: akyrtzi

clang/include/clang/AST/PrettyPrinter.h

@@ -36,7 +36,8 @@ struct PrintingPolicy {
   /// \brief Create a default printing policy for C.
   PrintingPolicy(const LangOptions &LO) 
     : Indentation(2), LangOpts(LO), SuppressSpecifiers(false),
-      SuppressTag(false), SuppressTagKind(false), Dump(false) { }
+      SuppressTag(false), SuppressTagKind(false), Dump(false),
+      ConstantArraySizeAsWritten(false) { }
 
   /// \brief The number of spaces to use to indent each line.
   unsigned Indentation : 8;