[scan-build] fix dead store warnings emitted on clang code base

This fixes dead store warnings of the type "dead assignment" reported
by CLang Static Analyzer on the following file:

- tools/c-index-test/c-index-test.c.

Patch by Apelete Seketeli <apelete@seketeli.net>!

Differential Revision: http://reviews.llvm.org/D19831

llvm-svn: 268453

clang/tools/c-index-test/c-index-test.c

@@ -1432,10 +1432,10 @@ static enum CXChildVisitResult PrintTypeSize(CXCursor cursor, CXCursor p,
     CXString FieldSpelling = clang_getCursorSpelling(cursor);
     const char *FieldName = clang_getCString(FieldSpelling);
     /* recurse to get the first parent record that is not anonymous. */
-    CXCursor Parent, Record;
     unsigned RecordIsAnonymous = 0;
     if (clang_getCursorKind(cursor) == CXCursor_FieldDecl) {
-      Record = Parent = p;
+      CXCursor Record;
+      CXCursor Parent = p;
       do {
         Record = Parent;
         Parent = clang_getCursorSemanticParent(Record);