diff --git a/packages/babel-parser/test/fixtures/es2017/async-call/with-optional-operator/input.js b/packages/babel-parser/test/fixtures/es2017/async-call/with-optional-operator/input.js
new file mode 100644
index 0000000000..e07902953d
--- /dev/null
+++ b/packages/babel-parser/test/fixtures/es2017/async-call/with-optional-operator/input.js
@@ -0,0 +1 @@
+async(x?)
\ No newline at end of file
diff --git a/packages/babel-parser/test/fixtures/es2017/async-call/with-optional-operator/options.json b/packages/babel-parser/test/fixtures/es2017/async-call/with-optional-operator/options.json
new file mode 100644
index 0000000000..65ef4a184a
--- /dev/null
+++ b/packages/babel-parser/test/fixtures/es2017/async-call/with-optional-operator/options.json
@@ -0,0 +1,3 @@
+{
+  "throws": "Unexpected token (1:8)"
+}
\ No newline at end of file
diff --git a/packages/babel-parser/test/fixtures/flow/async-call/with-optional-parameter/input.js b/packages/babel-parser/test/fixtures/flow/async-call/with-optional-parameter/input.js
new file mode 100644
index 0000000000..e07902953d
--- /dev/null
+++ b/packages/babel-parser/test/fixtures/flow/async-call/with-optional-parameter/input.js
@@ -0,0 +1 @@
+async(x?)
\ No newline at end of file
diff --git a/packages/babel-parser/test/fixtures/flow/async-call/with-optional-parameter/options.json b/packages/babel-parser/test/fixtures/flow/async-call/with-optional-parameter/options.json
new file mode 100644
index 0000000000..873363b4a4
--- /dev/null
+++ b/packages/babel-parser/test/fixtures/flow/async-call/with-optional-parameter/options.json
@@ -0,0 +1,8 @@
+{
+  "sourceType": "module",
+  "plugins": [
+    "jsx",
+    "flow"
+  ],
+  "throws": "Unexpected token (1:8)"
+}
\ No newline at end of file
diff --git a/packages/babel-parser/test/fixtures/typescript/async-call/with-optional-parameter/input.ts b/packages/babel-parser/test/fixtures/typescript/async-call/with-optional-parameter/input.ts
new file mode 100644
index 0000000000..e07902953d
--- /dev/null
+++ b/packages/babel-parser/test/fixtures/typescript/async-call/with-optional-parameter/input.ts
@@ -0,0 +1 @@
+async(x?)
\ No newline at end of file
diff --git a/packages/babel-parser/test/fixtures/typescript/async-call/with-optional-parameter/options.json b/packages/babel-parser/test/fixtures/typescript/async-call/with-optional-parameter/options.json
new file mode 100644
index 0000000000..e141bfeb81
--- /dev/null
+++ b/packages/babel-parser/test/fixtures/typescript/async-call/with-optional-parameter/options.json
@@ -0,0 +1,7 @@
+{
+  "sourceType": "module",
+  "plugins": [
+    "typescript"
+  ],
+  "throws": "Unexpected token (1:8)"
+}
\ No newline at end of file