[strong] Disallow implicit conversions for comparison

src/mips64/lithium-mips64.h

Index: src/mips64/lithium-mips64.h
diff --git a/src/mips64/lithium-mips64.h b/src/mips64/lithium-mips64.h
index adc2a4faa8a8ac146a2d975103634739284dba17..25b002d1488fd8447ee9ff7af7258c8990b99eda 100644
--- a/src/mips64/lithium-mips64.h
+++ b/src/mips64/lithium-mips64.h
@@ -1173,6 +1173,8 @@ class LCmpT final : public LTemplateInstruction<1, 3, 0> {
   DECLARE_CONCRETE_INSTRUCTION(CmpT, "cmp-t")
   DECLARE_HYDROGEN_ACCESSOR(CompareGeneric)
 
+  LanguageMode language_mode() { return hydrogen()->language_mode(); }
+
   Token::Value op() const { return hydrogen()->token(); }
 };