Fix dereference formatting in for-loops.

Before: for (char **a = b; * a; ++a) {}
After:  for (char **a = b; *a; ++a) {}

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177037 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Format/TokenAnnotator.cpp

@@ -661,7 +661,7 @@ private:
       return TT_PointerOrReference;
 
     if (PrevToken->isOneOf(tok::l_paren, tok::l_square, tok::l_brace,
-                           tok::comma, tok::kw_return, tok::colon,
+                           tok::comma, tok::semi, tok::kw_return, tok::colon,
                            tok::equal) ||
         PrevToken->Type == TT_BinaryOperator ||
         PrevToken->Type == TT_UnaryOperator || PrevToken->Type == TT_CastRParen)

unittests/Format/FormatTest.cpp

@@ -1919,6 +1919,7 @@ TEST_F(FormatTest, UnderstandsUsesOfStarAndAmp) {
       "const char *const p = reinterpret_cast<const char *const>(q);");
   verifyIndependentOfContext("A<int **, int **> a;");
   verifyIndependentOfContext("void f(int *a = d * e, int *b = c * d);");
+  verifyFormat("for (char **a = b; *a; ++a) {\n}");
 
   verifyFormat(
       "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"