Version 3.26.31.6 (merged r21509, r21858, r21525)

src/x64/macro-assembler-x64.cc

Index: src/x64/macro-assembler-x64.cc
diff --git a/src/x64/macro-assembler-x64.cc b/src/x64/macro-assembler-x64.cc
index 2eb74e55f0c9f71103c351cb92c7fac06028e659..771115e177cf535bd6c2bdb030085cb2af77b254 100644
--- a/src/x64/macro-assembler-x64.cc
+++ b/src/x64/macro-assembler-x64.cc
@@ -935,6 +935,11 @@ void MacroAssembler::Store(const Operand& dst, Register src, Representation r) {
   } else if (r.IsInteger32()) {
     movl(dst, src);
   } else {
+    if (r.IsHeapObject()) {
+      AssertNotSmi(src);
+    } else if (r.IsSmi()) {
+      AssertSmi(src);
+    }
     movp(dst, src);
   }
 }