Replace STATIC_CHECK with STATIC_ASSERT.

src/x87/code-stubs-x87.cc

Index: src/x87/code-stubs-x87.cc
diff --git a/src/x87/code-stubs-x87.cc b/src/x87/code-stubs-x87.cc
index bf1818c3e6fd95bf908bde4f838ad80d753c7656..6d6aedfdd3264e3c88cd7f4834badf5cae9e0c5f 100644
--- a/src/x87/code-stubs-x87.cc
+++ b/src/x87/code-stubs-x87.cc
@@ -1239,8 +1239,8 @@ void RegExpExecStub::Generate(MacroAssembler* masm) {
   // (5b) Is subject external?  If yes, go to (8).
   __ test_b(ebx, kStringRepresentationMask);
   // The underlying external string is never a short external string.
-  STATIC_CHECK(ExternalString::kMaxShortLength < ConsString::kMinLength);
-  STATIC_CHECK(ExternalString::kMaxShortLength < SlicedString::kMinLength);
+  STATIC_ASSERT(ExternalString::kMaxShortLength < ConsString::kMinLength);
+  STATIC_ASSERT(ExternalString::kMaxShortLength < SlicedString::kMinLength);
   __ j(not_zero, &external_string);  // Go to (8).
 
   // eax: sequential subject string (or look-alike, external string)
@@ -3140,7 +3140,7 @@ void SubStringStub::Generate(MacroAssembler* masm) {
 
   // Handle external string.
   // Rule out short external strings.
-  STATIC_CHECK(kShortExternalStringTag != 0);
+  STATIC_ASSERT(kShortExternalStringTag != 0);
   __ test_b(ebx, kShortExternalStringMask);
   __ j(not_zero, &runtime);
   __ mov(edi, FieldOperand(edi, ExternalString::kResourceDataOffset));