Fix gmock not building when -fno-rtti

Fixes issue #1554. This is internal cl/195020996.

googlemock/include/gmock/gmock-matchers.h

@@ -2371,6 +2371,7 @@ class PointeeMatcher {
   GTEST_DISALLOW_ASSIGN_(PointeeMatcher);
 };
 
+#if GTEST_HAS_RTTI
 // Implements the WhenDynamicCastTo<T>(m) matcher that matches a pointer or
 // reference that matches inner_matcher when dynamic_cast<T> is applied.
 // The result of dynamic_cast<To> is forwarded to the inner matcher.
@@ -2397,11 +2398,7 @@ class WhenDynamicCastToMatcherBase {
   const Matcher<To> matcher_;
 
   static std::string GetToName() {
-#if GTEST_HAS_RTTI
     return GetTypeName<To>();
-#else  // GTEST_HAS_RTTI
-    return "the target type";
-#endif  // GTEST_HAS_RTTI
   }
 
  private:
@@ -2447,6 +2444,7 @@ class WhenDynamicCastToMatcher<To&> : public WhenDynamicCastToMatcherBase<To&> {
     return MatchPrintAndExplain(*to, this->matcher_, listener);
   }
 };
+#endif  // GTEST_HAS_RTTI
 
 // Implements the Field() matcher for matching a field (i.e. member
 // variable) of an object.
@@ -4441,6 +4439,7 @@ inline internal::PointeeMatcher<InnerMatcher> Pointee(
   return internal::PointeeMatcher<InnerMatcher>(inner_matcher);
 }
 
+#if GTEST_HAS_RTTI
 // Creates a matcher that matches a pointer or reference that matches
 // inner_matcher when dynamic_cast<To> is applied.
 // The result of dynamic_cast<To> is forwarded to the inner matcher.
@@ -4453,6 +4452,7 @@ WhenDynamicCastTo(const Matcher<To>& inner_matcher) {
   return MakePolymorphicMatcher(
       internal::WhenDynamicCastToMatcher<To>(inner_matcher));
 }
+#endif  // GTEST_HAS_RTTI
 
 // Creates a matcher that matches an object whose given field matches
 // 'matcher'.  For example,

googlemock/test/gmock-matchers_test.cc

@@ -3704,6 +3704,7 @@ MATCHER_P(FieldIIs, inner_matcher, "") {
   return ExplainMatchResult(inner_matcher, arg.i, result_listener);
 }
 
+#if GTEST_HAS_RTTI
 TEST(WhenDynamicCastToTest, SameType) {
   Derived derived;
   derived.i = 4;
@@ -3761,12 +3762,8 @@ TEST(WhenDynamicCastToTest, AmbiguousCast) {
 
 TEST(WhenDynamicCastToTest, Describe) {
   Matcher<Base*> matcher = WhenDynamicCastTo<Derived*>(Pointee(_));
-#if GTEST_HAS_RTTI
   const std::string prefix =
       "when dynamic_cast to " + internal::GetTypeName<Derived*>() + ", ";
-#else  // GTEST_HAS_RTTI
-  const std::string prefix = "when dynamic_cast, ";
-#endif  // GTEST_HAS_RTTI
   EXPECT_EQ(prefix + "points to a value that is anything", Describe(matcher));
   EXPECT_EQ(prefix + "does not point to a value that is anything",
             DescribeNegation(matcher));
@@ -3799,6 +3796,7 @@ TEST(WhenDynamicCastToTest, BadReference) {
   Base& as_base_ref = derived;
   EXPECT_THAT(as_base_ref, Not(WhenDynamicCastTo<const OtherDerived&>(_)));
 }
+#endif  // GTEST_HAS_RTTI
 
 // Minimal const-propagating pointer.
 template <typename T>