convert a bunch of DCHECKs to STATIC_ASSERT

src/arm64/code-stubs-arm64.cc

Index: src/arm64/code-stubs-arm64.cc
diff --git a/src/arm64/code-stubs-arm64.cc b/src/arm64/code-stubs-arm64.cc
index 1703d4bcbf80127d17a094e669316bbfdb1139bb..be7c57c074bba793fee70e6681e4be0dabbdefe0 100644
--- a/src/arm64/code-stubs-arm64.cc
+++ b/src/arm64/code-stubs-arm64.cc
@@ -2457,8 +2457,8 @@ void RegExpExecStub::Generate(MacroAssembler* masm) {
   // Find the code object based on the assumptions above.
   // kDataOneByteCodeOffset and kDataUC16CodeOffset are adjacent, adds an offset
   // of kPointerSize to reach the latter.
-  DCHECK_EQ(JSRegExp::kDataOneByteCodeOffset + kPointerSize,
-            JSRegExp::kDataUC16CodeOffset);
+  STATIC_ASSERT(JSRegExp::kDataOneByteCodeOffset + kPointerSize ==
+                JSRegExp::kDataUC16CodeOffset);
   __ Mov(x10, kPointerSize);
   // We will need the encoding later: Latin1 = 0x04
   //                                  UC16   = 0x00
@@ -4947,7 +4947,7 @@ void NameDictionaryLookupStub::GeneratePositiveLookup(
     __ And(scratch2, scratch1, Operand(scratch2, LSR, Name::kHashShift));
 
     // Scale the index by multiplying by the element size.
-    DCHECK(NameDictionary::kEntrySize == 3);
+    STATIC_ASSERT(NameDictionary::kEntrySize == 3);
     __ Add(scratch2, scratch2, Operand(scratch2, LSL, 1));
 
     // Check if the key is identical to the name.
@@ -5016,7 +5016,7 @@ void NameDictionaryLookupStub::GenerateNegativeLookup(MacroAssembler* masm,
     __ And(index, index, name->Hash() + NameDictionary::GetProbeOffset(i));
 
     // Scale the index by multiplying by the entry size.
-    DCHECK(NameDictionary::kEntrySize == 3);
+    STATIC_ASSERT(NameDictionary::kEntrySize == 3);
     __ Add(index, index, Operand(index, LSL, 1));  // index *= 3.
 
     Register entity_name = scratch0;
@@ -5107,7 +5107,7 @@ void NameDictionaryLookupStub::Generate(MacroAssembler* masm) {
     __ And(index, mask, Operand(index, LSR, Name::kHashShift));
 
     // Scale the index by multiplying by the entry size.
-    DCHECK(NameDictionary::kEntrySize == 3);
+    STATIC_ASSERT(NameDictionary::kEntrySize == 3);
     __ Add(index, index, Operand(index, LSL, 1));  // index *= 3.
 
     __ Add(index, dictionary, Operand(index, LSL, kPointerSizeLog2));