diff --git a/test/built-ins/RegExp/prototype/dotAll/this-val-invalid-obj.js b/test/built-ins/RegExp/prototype/dotAll/this-val-invalid-obj.js
index 0f0d3909b9..4998f489ea 100644
--- a/test/built-ins/RegExp/prototype/dotAll/this-val-invalid-obj.js
+++ b/test/built-ins/RegExp/prototype/dotAll/this-val-invalid-obj.js
@@ -28,3 +28,7 @@ assert.throws(TypeError, function() {
 assert.throws(TypeError, function() {
   dotAll.call(arguments);
 }, 'arguments object');
+
+assert.throws(TypeError, function() {
+  dotAll.call(() => {});
+}, 'function object');
diff --git a/test/built-ins/RegExp/prototype/dotAll/this-val-non-obj.js b/test/built-ins/RegExp/prototype/dotAll/this-val-non-obj.js
index c400b1ba6c..470d192dab 100644
--- a/test/built-ins/RegExp/prototype/dotAll/this-val-non-obj.js
+++ b/test/built-ins/RegExp/prototype/dotAll/this-val-non-obj.js
@@ -38,3 +38,7 @@ assert.throws(TypeError, function() {
 assert.throws(TypeError, function() {
   dotAll.call(4);
 }, "number");
+
+assert.throws(TypeError, function() {
+  dotAll.call(4n);
+}, "bigint");
diff --git a/test/built-ins/RegExp/prototype/flags/this-val-non-obj.js b/test/built-ins/RegExp/prototype/flags/this-val-non-obj.js
index 2211ae013d..bb553dcb02 100644
--- a/test/built-ins/RegExp/prototype/flags/this-val-non-obj.js
+++ b/test/built-ins/RegExp/prototype/flags/this-val-non-obj.js
@@ -35,3 +35,7 @@ assert.throws(TypeError, function() {
 assert.throws(TypeError, function() {
   get.call(Symbol());
 }, 'symbol');
+
+assert.throws(TypeError, function() {
+  get.call(4n);
+}, 'bigint');
diff --git a/test/built-ins/RegExp/prototype/global/this-val-invalid-obj.js b/test/built-ins/RegExp/prototype/global/this-val-invalid-obj.js
index 1255c17fef..dc9e85cfbc 100644
--- a/test/built-ins/RegExp/prototype/global/this-val-invalid-obj.js
+++ b/test/built-ins/RegExp/prototype/global/this-val-invalid-obj.js
@@ -24,3 +24,7 @@ assert.throws(TypeError, function() {
 assert.throws(TypeError, function() {
   get.call(arguments);
 }, 'arguments object');
+
+assert.throws(TypeError, function() {
+  get.call(() => {});
+}, 'function object');
diff --git a/test/built-ins/RegExp/prototype/global/this-val-non-obj.js b/test/built-ins/RegExp/prototype/global/this-val-non-obj.js
index a1c0515b61..c68b428734 100644
--- a/test/built-ins/RegExp/prototype/global/this-val-non-obj.js
+++ b/test/built-ins/RegExp/prototype/global/this-val-non-obj.js
@@ -35,3 +35,7 @@ assert.throws(TypeError, function() {
 assert.throws(TypeError, function() {
   get.call(symbol);
 }, 'symbol');
+
+assert.throws(TypeError, function() {
+  get.call(4n);
+}, 'bigint');
diff --git a/test/built-ins/RegExp/prototype/hasIndices/this-val-invalid-obj.js b/test/built-ins/RegExp/prototype/hasIndices/this-val-invalid-obj.js
index ac5b596a66..27c54cf5dd 100644
--- a/test/built-ins/RegExp/prototype/hasIndices/this-val-invalid-obj.js
+++ b/test/built-ins/RegExp/prototype/hasIndices/this-val-invalid-obj.js
@@ -28,3 +28,7 @@ assert.throws(TypeError, function() {
 assert.throws(TypeError, function() {
   hasIndices.call(arguments);
 }, 'arguments object');
+
+assert.throws(TypeError, function() {
+  hasIndices.call(() => {});
+}, 'function object');
diff --git a/test/built-ins/RegExp/prototype/hasIndices/this-val-non-obj.js b/test/built-ins/RegExp/prototype/hasIndices/this-val-non-obj.js
index 325c9ca4aa..2434c72853 100644
--- a/test/built-ins/RegExp/prototype/hasIndices/this-val-non-obj.js
+++ b/test/built-ins/RegExp/prototype/hasIndices/this-val-non-obj.js
@@ -38,3 +38,7 @@ assert.throws(TypeError, function() {
 assert.throws(TypeError, function() {
   hasIndices.call(4);
 }, "number");
+
+assert.throws(TypeError, function() {
+  hasIndices.call(4n);
+}, "bigint");
diff --git a/test/built-ins/RegExp/prototype/ignoreCase/this-val-invalid-obj.js b/test/built-ins/RegExp/prototype/ignoreCase/this-val-invalid-obj.js
index 6fec080d1b..a3d5c65b88 100644
--- a/test/built-ins/RegExp/prototype/ignoreCase/this-val-invalid-obj.js
+++ b/test/built-ins/RegExp/prototype/ignoreCase/this-val-invalid-obj.js
@@ -24,3 +24,7 @@ assert.throws(TypeError, function() {
 assert.throws(TypeError, function() {
   get.call(arguments);
 }, 'arguments object');
+
+assert.throws(TypeError, function() {
+  get.call(() => {});
+}, 'function object');
diff --git a/test/built-ins/RegExp/prototype/ignoreCase/this-val-non-obj.js b/test/built-ins/RegExp/prototype/ignoreCase/this-val-non-obj.js
index b7c77f162e..edb0410a88 100644
--- a/test/built-ins/RegExp/prototype/ignoreCase/this-val-non-obj.js
+++ b/test/built-ins/RegExp/prototype/ignoreCase/this-val-non-obj.js
@@ -35,3 +35,7 @@ assert.throws(TypeError, function() {
 assert.throws(TypeError, function() {
   get.call(symbol);
 }, 'symbol');
+
+assert.throws(TypeError, function() {
+  get.call(4n);
+}, 'bigint');
diff --git a/test/built-ins/RegExp/prototype/multiline/this-val-invalid-obj.js b/test/built-ins/RegExp/prototype/multiline/this-val-invalid-obj.js
index 815e973a85..4343cf6795 100644
--- a/test/built-ins/RegExp/prototype/multiline/this-val-invalid-obj.js
+++ b/test/built-ins/RegExp/prototype/multiline/this-val-invalid-obj.js
@@ -24,3 +24,7 @@ assert.throws(TypeError, function() {
 assert.throws(TypeError, function() {
   get.call(arguments);
 }, 'arguments object');
+
+assert.throws(TypeError, function() {
+  get.call(() => {});
+}, 'function object');
diff --git a/test/built-ins/RegExp/prototype/multiline/this-val-non-obj.js b/test/built-ins/RegExp/prototype/multiline/this-val-non-obj.js
index c62940c8c5..430c904927 100644
--- a/test/built-ins/RegExp/prototype/multiline/this-val-non-obj.js
+++ b/test/built-ins/RegExp/prototype/multiline/this-val-non-obj.js
@@ -35,3 +35,7 @@ assert.throws(TypeError, function() {
 assert.throws(TypeError, function() {
   get.call(symbol);
 }, 'symbol');
+
+assert.throws(TypeError, function() {
+  get.call(4n);
+}, 'bigint');
diff --git a/test/built-ins/RegExp/prototype/source/this-val-invalid-obj.js b/test/built-ins/RegExp/prototype/source/this-val-invalid-obj.js
index 59cdfa4960..f78e78a9b3 100644
--- a/test/built-ins/RegExp/prototype/source/this-val-invalid-obj.js
+++ b/test/built-ins/RegExp/prototype/source/this-val-invalid-obj.js
@@ -24,3 +24,7 @@ assert.throws(TypeError, function() {
 assert.throws(TypeError, function() {
   get.call(arguments);
 }, 'arguments object');
+
+assert.throws(TypeError, function() {
+  get.call(() => {});
+}, 'function object');
diff --git a/test/built-ins/RegExp/prototype/source/this-val-non-obj.js b/test/built-ins/RegExp/prototype/source/this-val-non-obj.js
index 956e700625..e5ef0d9908 100644
--- a/test/built-ins/RegExp/prototype/source/this-val-non-obj.js
+++ b/test/built-ins/RegExp/prototype/source/this-val-non-obj.js
@@ -35,3 +35,7 @@ assert.throws(TypeError, function() {
 assert.throws(TypeError, function() {
   get.call(symbol);
 }, 'symbol');
+
+assert.throws(TypeError, function() {
+  get.call(4n);
+}, 'bigint');
diff --git a/test/built-ins/RegExp/prototype/sticky/this-val-invalid-obj.js b/test/built-ins/RegExp/prototype/sticky/this-val-invalid-obj.js
index f982ecccf4..caf81e07ca 100644
--- a/test/built-ins/RegExp/prototype/sticky/this-val-invalid-obj.js
+++ b/test/built-ins/RegExp/prototype/sticky/this-val-invalid-obj.js
@@ -26,3 +26,7 @@ assert.throws(TypeError, function() {
 assert.throws(TypeError, function() {
   sticky.call(arguments);
 }, 'arguments object');
+
+assert.throws(TypeError, function() {
+  sticky.call(() => {});
+}, 'function object');
diff --git a/test/built-ins/RegExp/prototype/sticky/this-val-non-obj.js b/test/built-ins/RegExp/prototype/sticky/this-val-non-obj.js
index 81602dce4a..849e738ccc 100644
--- a/test/built-ins/RegExp/prototype/sticky/this-val-non-obj.js
+++ b/test/built-ins/RegExp/prototype/sticky/this-val-non-obj.js
@@ -38,3 +38,7 @@ assert.throws(TypeError, function() {
 assert.throws(TypeError, function() {
   sticky.call(4);
 });
+
+assert.throws(TypeError, function() {
+  sticky.call(4n);
+}, 'bigint');
diff --git a/test/built-ins/RegExp/prototype/unicode/this-val-invalid-obj.js b/test/built-ins/RegExp/prototype/unicode/this-val-invalid-obj.js
index 2c938a8852..2b688fbde9 100644
--- a/test/built-ins/RegExp/prototype/unicode/this-val-invalid-obj.js
+++ b/test/built-ins/RegExp/prototype/unicode/this-val-invalid-obj.js
@@ -26,3 +26,7 @@ assert.throws(TypeError, function() {
 assert.throws(TypeError, function() {
   unicode.call(arguments);
 }, 'arguments object');
+
+assert.throws(TypeError, function() {
+  unicode.call(() => {});
+}, 'function object');
diff --git a/test/built-ins/RegExp/prototype/unicode/this-val-non-obj.js b/test/built-ins/RegExp/prototype/unicode/this-val-non-obj.js
index bd4d518e1c..77ba07ab47 100644
--- a/test/built-ins/RegExp/prototype/unicode/this-val-non-obj.js
+++ b/test/built-ins/RegExp/prototype/unicode/this-val-non-obj.js
@@ -38,3 +38,7 @@ assert.throws(TypeError, function() {
 assert.throws(TypeError, function() {
   unicode.call(4);
 });
+
+assert.throws(TypeError, function() {
+  unicode.call(4n);
+}, 'bigint');