Version 3.26.31.4 (merged r21509, r21858, r21525)

src/ia32/macro-assembler-ia32.cc

Index: src/ia32/macro-assembler-ia32.cc
diff --git a/src/ia32/macro-assembler-ia32.cc b/src/ia32/macro-assembler-ia32.cc
index bee6268adaa3e2c5f4e818253fe1d367876da3de..4dc0f6549e4a0c0550785534f40aa89b29e08456 100644
--- a/src/ia32/macro-assembler-ia32.cc
+++ b/src/ia32/macro-assembler-ia32.cc
@@ -55,6 +55,11 @@ void MacroAssembler::Store(Register src, const Operand& dst, Representation r) {
   } else if (r.IsInteger16() || r.IsUInteger16()) {
     mov_w(dst, src);
   } else {
+    if (r.IsHeapObject()) {
+      AssertNotSmi(src);
+    } else if (r.IsSmi()) {
+      AssertSmi(src);
+    }
     mov(dst, src);
   }
 }