x87: fix the use of CheckFloatEq and CheckDoubleEq in test.

test/cctest/compiler/value-helper.h

Index: test/cctest/compiler/value-helper.h
diff --git a/test/cctest/compiler/value-helper.h b/test/cctest/compiler/value-helper.h
index 83cd33c5b0af90290fcb6ba0e9d08412f00b7aed..7817211c57c6fba2dc57d2a6924c275cb2da389a 100644
--- a/test/cctest/compiler/value-helper.h
+++ b/test/cctest/compiler/value-helper.h
@@ -321,6 +321,12 @@ static inline void CheckFloatEq(volatile float x, volatile float y) {
   }
 }
 
+#define CHECK_FLOAT_EQ(lhs, rhs) \
+  do {                           \
+    volatile float tmp = lhs;    \
+    CheckFloatEq(tmp, rhs);      \
+  } while (0)
+
 static inline void CheckDoubleEq(volatile double x, volatile double y) {
   if (std::isnan(x)) {
     CHECK(std::isnan(y));
@@ -329,6 +335,12 @@ static inline void CheckDoubleEq(volatile double x, volatile double y) {
   }
 }
 
+#define CHECK_DOUBLE_EQ(lhs, rhs) \
+  do {                            \
+    volatile double tmp = lhs;    \
+    CheckDoubleEq(tmp, rhs);      \
+  } while (0)
+
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8