diff --git a/src/codegen.cpp b/src/codegen.cpp
index 66b7d73a6228c..1e08cfce6b336 100644
--- a/src/codegen.cpp
+++ b/src/codegen.cpp
@@ -2620,6 +2620,8 @@ static Value *emit_f_is(const jl_cgval_t &arg1, const jl_cgval_t &arg2, jl_codec
     if ((jl_is_type_type(rt1) && jl_is_leaf_type(jl_tparam0(rt1))) ||
         (jl_is_type_type(rt2) && jl_is_leaf_type(jl_tparam0(rt2)))) // can compare leaf types by pointer
         ptr_comparable = 1;
+    if (rt1 == (jl_value_t*)jl_simplevector_type && rt2 == (jl_value_t*)jl_simplevector_type)
+        ptr_comparable = 0; // technically mutable, but compared by contents
     if (ptr_comparable) {
         Value *varg1 = arg1.constant ? literal_pointer_val(arg1.constant) : arg1.V;
         Value *varg2 = arg2.constant ? literal_pointer_val(arg2.constant) : arg2.V;
diff --git a/test/codegen.jl b/test/codegen.jl
new file mode 100644
index 0000000000000..45e8e157e43e9
--- /dev/null
+++ b/test/codegen.jl
@@ -0,0 +1,9 @@
+# This file is a part of Julia. License is MIT: https://julialang.org/license
+
+function egal_svecs()
+    a = Core.svec(:a, :b)
+    b = Core.svec(:a, :b)
+    a === b
+end
+@test egal_svecs()
+@test Core.svec(:a, :b) === Core.svec(:a, :b)