1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/jit/IonBuilder.cpp b/js/src/jit/IonBuilder.cpp
index 1488d7d34..2e7784ff4 100644
--- a/js/src/jit/IonBuilder.cpp
+++ b/js/src/jit/IonBuilder.cpp
@@ -2122,6 +2122,9 @@ IonBuilder::inspectOpcode(JSOp op)
       case JSOP_LAMBDA_ARROW:
         return jsop_lambda_arrow(info().getFunction(pc));
 
+      case JSOP_SETFUNNAME:
+        return jsop_setfunname(GET_UINT8(pc));
+
       case JSOP_ITER:
         return jsop_iter(GET_INT8(pc));
 
@@ -13340,6 +13343,21 @@ IonBuilder::jsop_lambda_arrow(JSFunction* fun)
 }
 
 bool
+IonBuilder::jsop_setfunname(uint8_t prefixKind)
+{
+    MDefinition* name = current->pop();
+    MDefinition* fun = current->pop();
+    MOZ_ASSERT(fun->type() == MIRType::Object);
+
+    MSetFunName* ins = MSetFunName::New(alloc(), fun, name, prefixKind);
+
+    current->add(ins);
+    current->push(fun);
+
+    return resumeAfter(ins);
+}
+
+bool
 IonBuilder::jsop_setarg(uint32_t arg)
 {
     // To handle this case, we should spill the arguments to the space where