diff --git a/test/ModuleInterface/lifetime_dependence_test.swift b/test/ModuleInterface/lifetime_dependence_test.swift
index 4dc4c889f1059..b8ea176caccf0 100644
--- a/test/ModuleInterface/lifetime_dependence_test.swift
+++ b/test/ModuleInterface/lifetime_dependence_test.swift
@@ -1,9 +1,12 @@
 // RUN: %empty-directory(%t)
 
+// FIXME: Remove '-disable-experimental-parser-round-trip' (rdar://137636751).
+
 // RUN: %target-swift-frontend -swift-version 5 -enable-library-evolution -emit-module \
 // RUN:     -enable-experimental-feature NonescapableTypes \
 // RUN:     -o %t/lifetime_dependence.swiftmodule \
 // RUN:     -emit-module-interface-path %t/lifetime_dependence.swiftinterface \
+// RUN:     -disable-experimental-parser-round-trip \
 // RUN:     %S/Inputs/lifetime_dependence.swift
 // REQUIRES: asserts
 
@@ -15,9 +18,11 @@
 
 // RUN: %target-swift-frontend -compile-module-from-interface \
 // RUN:    -enable-experimental-feature NonescapableTypes \
+// RUN:    -disable-experimental-parser-round-trip \
 // RUN:    %t/lifetime_dependence.swiftinterface -o %t/lifetime_dependence.swiftmodule
 
 // RUN: %target-swift-frontend -typecheck -I %t %s \
+// RUN:    -disable-experimental-parser-round-trip \
 // RUN:    -enable-experimental-feature NonescapableTypes
 
 import lifetime_dependence
diff --git a/test/SIL/explicit_lifetime_dependence_specifiers.swift b/test/SIL/explicit_lifetime_dependence_specifiers.swift
index ebddc2abf271f..30a54dea6fba8 100644
--- a/test/SIL/explicit_lifetime_dependence_specifiers.swift
+++ b/test/SIL/explicit_lifetime_dependence_specifiers.swift
@@ -1,7 +1,11 @@
 // RUN: %target-swift-frontend %s \
 // RUN: -emit-sil  \
 // RUN: -enable-builtin-module \
-// RUN: -enable-experimental-feature NonescapableTypes | %FileCheck %s
+// RUN: -enable-experimental-feature NonescapableTypes \
+// RUN: -disable-experimental-parser-round-trip \
+// RUN: | %FileCheck %s
+
+// FIXME: Remove '-disable-experimental-parser-round-trip' (rdar://137636751).
 
 import Builtin
 
diff --git a/test/SIL/implicit_lifetime_dependence.swift b/test/SIL/implicit_lifetime_dependence.swift
index 70444e42c2adf..7b6a8f6ef200e 100644
--- a/test/SIL/implicit_lifetime_dependence.swift
+++ b/test/SIL/implicit_lifetime_dependence.swift
@@ -1,6 +1,9 @@
 // RUN: %target-swift-frontend %s \
 // RUN: -emit-sil  -disable-availability-checking \
-// RUN: -enable-experimental-feature NonescapableTypes | %FileCheck %s
+// RUN: -enable-experimental-feature NonescapableTypes \
+// RUN: -disable-experimental-parser-round-trip \
+// RUN: | %FileCheck %s
+// FIXME: Remove '-disable-experimental-parser-round-trip' (rdar://137636751).
 // REQUIRES: asserts
 
 struct BufferView : ~Escapable {
diff --git a/test/SIL/lifetime_dependence_generics.swift b/test/SIL/lifetime_dependence_generics.swift
index debc4c732a1b5..6a46f94911756 100644
--- a/test/SIL/lifetime_dependence_generics.swift
+++ b/test/SIL/lifetime_dependence_generics.swift
@@ -1,6 +1,9 @@
 // RUN: %target-swift-frontend %s -emit-sil \
 // RUN:   -enable-experimental-feature NonescapableTypes \
-// RUN:   -enable-experimental-feature SuppressedAssociatedTypes | %FileCheck %s
+// RUN:   -enable-experimental-feature SuppressedAssociatedTypes \
+// RUN:   -disable-experimental-parser-round-trip \
+// RUN: | %FileCheck %s
+// FIXME: Remove '-disable-experimental-parser-round-trip' (rdar://137636751).
 
 // REQUIRES: asserts
 // REQUIRES: swift_in_compiler
diff --git a/test/SIL/lifetime_dependence_param_position_test.swift b/test/SIL/lifetime_dependence_param_position_test.swift
index af2b543fb1e8a..c694404d46e12 100644
--- a/test/SIL/lifetime_dependence_param_position_test.swift
+++ b/test/SIL/lifetime_dependence_param_position_test.swift
@@ -1,5 +1,7 @@
 // RUN: %target-swift-frontend %s -emit-silgen \
-// RUN:   -enable-experimental-feature NonescapableTypes
+// RUN:   -enable-experimental-feature NonescapableTypes \
+// RUN:   -disable-experimental-parser-round-trip
+// FIXME: Remove '-disable-experimental-parser-round-trip' (rdar://137636751).
 
 // REQUIRES: asserts
 // REQUIRES: swift_in_compiler
diff --git a/test/SILOptimizer/lifetime_dependence/initializer.swift b/test/SILOptimizer/lifetime_dependence/initializer.swift
index 19a8bd2c19d1e..b90a614e89270 100644
--- a/test/SILOptimizer/lifetime_dependence/initializer.swift
+++ b/test/SILOptimizer/lifetime_dependence/initializer.swift
@@ -3,7 +3,9 @@
 // RUN:   -verify \
 // RUN:   -sil-verify-all \
 // RUN:   -module-name test \
-// RUN:   -enable-experimental-feature NonescapableTypes
+// RUN:   -enable-experimental-feature NonescapableTypes \
+// RUN:   -disable-experimental-parser-round-trip
+// FIXME: Remove '-disable-experimental-parser-round-trip' (rdar://137636751).
 
 // REQUIRES: asserts
 // REQUIRES: swift_in_compiler
diff --git a/test/SILOptimizer/lifetime_dependence/inout.swift b/test/SILOptimizer/lifetime_dependence/inout.swift
index 19a8bd2c19d1e..b90a614e89270 100644
--- a/test/SILOptimizer/lifetime_dependence/inout.swift
+++ b/test/SILOptimizer/lifetime_dependence/inout.swift
@@ -3,7 +3,9 @@
 // RUN:   -verify \
 // RUN:   -sil-verify-all \
 // RUN:   -module-name test \
-// RUN:   -enable-experimental-feature NonescapableTypes
+// RUN:   -enable-experimental-feature NonescapableTypes \
+// RUN:   -disable-experimental-parser-round-trip
+// FIXME: Remove '-disable-experimental-parser-round-trip' (rdar://137636751).
 
 // REQUIRES: asserts
 // REQUIRES: swift_in_compiler
diff --git a/test/SILOptimizer/lifetime_dependence/lifetime_dependence_borrow.swift b/test/SILOptimizer/lifetime_dependence/lifetime_dependence_borrow.swift
index e1f58726a9efd..0cc398574ab4e 100644
--- a/test/SILOptimizer/lifetime_dependence/lifetime_dependence_borrow.swift
+++ b/test/SILOptimizer/lifetime_dependence/lifetime_dependence_borrow.swift
@@ -3,7 +3,9 @@
 // RUN:   -verify \
 // RUN:   -sil-verify-all \
 // RUN:   -module-name test \
-// RUN:   -enable-experimental-feature NonescapableTypes
+// RUN:   -enable-experimental-feature NonescapableTypes \
+// RUN:   -disable-experimental-parser-round-trip
+// FIXME: Remove '-disable-experimental-parser-round-trip' (rdar://137636751).
 
 // REQUIRES: asserts
 // REQUIRES: swift_in_compiler
diff --git a/test/SILOptimizer/lifetime_dependence/lifetime_dependence_borrow_fail.swift b/test/SILOptimizer/lifetime_dependence/lifetime_dependence_borrow_fail.swift
index 9c288c9621c8b..f829ca4e34b80 100644
--- a/test/SILOptimizer/lifetime_dependence/lifetime_dependence_borrow_fail.swift
+++ b/test/SILOptimizer/lifetime_dependence/lifetime_dependence_borrow_fail.swift
@@ -3,7 +3,9 @@
 // RUN:   -verify \
 // RUN:   -sil-verify-all \
 // RUN:   -module-name test \
-// RUN:   -enable-experimental-feature NonescapableTypes
+// RUN:   -enable-experimental-feature NonescapableTypes \
+// RUN:   -disable-experimental-parser-round-trip
+// FIXME: Remove '-disable-experimental-parser-round-trip' (rdar://137636751).
 
 // REQUIRES: asserts
 // REQUIRES: swift_in_compiler
diff --git a/test/SILOptimizer/lifetime_dependence/lifetime_dependence_closure.swift b/test/SILOptimizer/lifetime_dependence/lifetime_dependence_closure.swift
index 39a48a141946c..758311407a767 100644
--- a/test/SILOptimizer/lifetime_dependence/lifetime_dependence_closure.swift
+++ b/test/SILOptimizer/lifetime_dependence/lifetime_dependence_closure.swift
@@ -3,7 +3,9 @@
 // RUN:   -verify \
 // RUN:   -sil-verify-all \
 // RUN:   -module-name test \
-// RUN:   -enable-experimental-feature NonescapableTypes
+// RUN:   -enable-experimental-feature NonescapableTypes \
+// RUN:   -disable-experimental-parser-round-trip
+// FIXME: Remove '-disable-experimental-parser-round-trip' (rdar://137636751).
 
 // REQUIRES: asserts
 // REQUIRES: swift_in_compiler
diff --git a/test/SILOptimizer/lifetime_dependence/lifetime_dependence_diagnostics.swift b/test/SILOptimizer/lifetime_dependence/lifetime_dependence_diagnostics.swift
index 2e000bf7e5a53..bb74506cb3292 100644
--- a/test/SILOptimizer/lifetime_dependence/lifetime_dependence_diagnostics.swift
+++ b/test/SILOptimizer/lifetime_dependence/lifetime_dependence_diagnostics.swift
@@ -2,7 +2,9 @@
 // RUN:   -sil-verify-all \
 // RUN:   -module-name test \
 // RUN:   -enable-experimental-feature NonescapableTypes \
+// RUN:   -disable-experimental-parser-round-trip \
 // RUN:   2>&1 | %FileCheck %s
+// FIXME: Remove '-disable-experimental-parser-round-trip' (rdar://137636751).
 
 // REQUIRES: asserts
 // REQUIRES: swift_in_compiler
diff --git a/test/SILOptimizer/lifetime_dependence/lifetime_dependence_generic.swift b/test/SILOptimizer/lifetime_dependence/lifetime_dependence_generic.swift
index bba65d6160f7c..bcc0af9351c05 100644
--- a/test/SILOptimizer/lifetime_dependence/lifetime_dependence_generic.swift
+++ b/test/SILOptimizer/lifetime_dependence/lifetime_dependence_generic.swift
@@ -4,7 +4,9 @@
 // RUN:   -sil-verify-all \
 // RUN:   -enable-experimental-feature NonescapableTypes \
 // RUN:   -enable-experimental-feature SuppressedAssociatedTypes \
+// RUN:   -disable-experimental-parser-round-trip \
 // RUN:   -parse-stdlib -module-name Swift
+// FIXME: Remove '-disable-experimental-parser-round-trip' (rdar://137636751).
 
 // REQUIRES: asserts
 // REQUIRES: swift_in_compiler
diff --git a/test/SILOptimizer/lifetime_dependence/lifetime_dependence_inherit.swift b/test/SILOptimizer/lifetime_dependence/lifetime_dependence_inherit.swift
index c68ad4ece5a63..0c614bc23a7ff 100644
--- a/test/SILOptimizer/lifetime_dependence/lifetime_dependence_inherit.swift
+++ b/test/SILOptimizer/lifetime_dependence/lifetime_dependence_inherit.swift
@@ -3,7 +3,9 @@
 // RUN:   -verify \
 // RUN:   -sil-verify-all \
 // RUN:   -module-name test \
-// RUN:   -enable-experimental-feature NonescapableTypes
+// RUN:   -enable-experimental-feature NonescapableTypes \
+// RUN:   -disable-experimental-parser-round-trip
+// FIXME: Remove '-disable-experimental-parser-round-trip' (rdar://137636751).
 
 // REQUIRES: asserts
 // REQUIRES: swift_in_compiler
diff --git a/test/SILOptimizer/lifetime_dependence/lifetime_dependence_inherit_fail.swift b/test/SILOptimizer/lifetime_dependence/lifetime_dependence_inherit_fail.swift
index df76c44dcb379..1bfb74bf18deb 100644
--- a/test/SILOptimizer/lifetime_dependence/lifetime_dependence_inherit_fail.swift
+++ b/test/SILOptimizer/lifetime_dependence/lifetime_dependence_inherit_fail.swift
@@ -3,7 +3,9 @@
 // RUN:   -verify \
 // RUN:   -sil-verify-all \
 // RUN:   -module-name test \
-// RUN:   -enable-experimental-feature NonescapableTypes
+// RUN:   -enable-experimental-feature NonescapableTypes \
+// RUN:   -disable-experimental-parser-round-trip
+// FIXME: Remove '-disable-experimental-parser-round-trip' (rdar://137636751).
 
 // REQUIRES: asserts
 // REQUIRES: swift_in_compiler
diff --git a/test/SILOptimizer/lifetime_dependence/lifetime_dependence_insertion.swift b/test/SILOptimizer/lifetime_dependence/lifetime_dependence_insertion.swift
index c399fed54e424..d18594962a469 100644
--- a/test/SILOptimizer/lifetime_dependence/lifetime_dependence_insertion.swift
+++ b/test/SILOptimizer/lifetime_dependence/lifetime_dependence_insertion.swift
@@ -3,7 +3,9 @@
 // RUN:   -sil-verify-all \
 // RUN:   -module-name test \
 // RUN:   -enable-experimental-feature NonescapableTypes \
+// RUN:   -disable-experimental-parser-round-trip \
 // RUN:   -o /dev/null 2>&1 | %FileCheck %s
+// FIXME: Remove '-disable-experimental-parser-round-trip' (rdar://137636751).
 
 // REQUIRES: asserts
 // REQUIRES: swift_in_compiler
diff --git a/test/SILOptimizer/lifetime_dependence/lifetime_dependence_mutate.swift b/test/SILOptimizer/lifetime_dependence/lifetime_dependence_mutate.swift
index 8941ceac287bf..b99aa3345cdb7 100644
--- a/test/SILOptimizer/lifetime_dependence/lifetime_dependence_mutate.swift
+++ b/test/SILOptimizer/lifetime_dependence/lifetime_dependence_mutate.swift
@@ -3,7 +3,9 @@
 // RUN:   -verify \
 // RUN:   -sil-verify-all \
 // RUN:   -module-name test \
-// RUN:   -enable-experimental-feature NonescapableTypes
+// RUN:   -enable-experimental-feature NonescapableTypes \
+// RUN:   -disable-experimental-parser-round-trip
+// FIXME: Remove '-disable-experimental-parser-round-trip' (rdar://137636751).
 
 // REQUIRES: asserts
 // REQUIRES: swift_in_compiler
diff --git a/test/SILOptimizer/lifetime_dependence/lifetime_dependence_optional.swift b/test/SILOptimizer/lifetime_dependence/lifetime_dependence_optional.swift
index a005299cbc485..b81f02d98e17a 100644
--- a/test/SILOptimizer/lifetime_dependence/lifetime_dependence_optional.swift
+++ b/test/SILOptimizer/lifetime_dependence/lifetime_dependence_optional.swift
@@ -2,7 +2,9 @@
 // RUN:   -verify \
 // RUN:   -sil-verify-all \
 // RUN:   -module-name test \
-// RUN:   -enable-experimental-feature NonescapableTypes
+// RUN:   -enable-experimental-feature NonescapableTypes \
+// RUN:   -disable-experimental-parser-round-trip
+// FIXME: Remove '-disable-experimental-parser-round-trip' (rdar://137636751).
 
 // REQUIRES: asserts
 // REQUIRES: swift_in_compiler
diff --git a/test/SILOptimizer/lifetime_dependence/lifetime_dependence_param.swift b/test/SILOptimizer/lifetime_dependence/lifetime_dependence_param.swift
index 892db9c53d19f..38c55f324928a 100644
--- a/test/SILOptimizer/lifetime_dependence/lifetime_dependence_param.swift
+++ b/test/SILOptimizer/lifetime_dependence/lifetime_dependence_param.swift
@@ -3,7 +3,9 @@
 // RUN:   -verify \
 // RUN:   -sil-verify-all \
 // RUN:   -module-name test \
-// RUN:   -enable-experimental-feature NonescapableTypes
+// RUN:   -enable-experimental-feature NonescapableTypes \
+// RUN:   -disable-experimental-parser-round-trip
+// FIXME: Remove '-disable-experimental-parser-round-trip' (rdar://137636751).
 
 // REQUIRES: asserts
 // REQUIRES: swift_in_compiler
diff --git a/test/SILOptimizer/lifetime_dependence/lifetime_dependence_param_fail.swift b/test/SILOptimizer/lifetime_dependence/lifetime_dependence_param_fail.swift
index 33db8980b6085..896c56d88a63d 100644
--- a/test/SILOptimizer/lifetime_dependence/lifetime_dependence_param_fail.swift
+++ b/test/SILOptimizer/lifetime_dependence/lifetime_dependence_param_fail.swift
@@ -3,7 +3,9 @@
 // RUN:   -verify \
 // RUN:   -sil-verify-all \
 // RUN:   -module-name test \
-// RUN:   -enable-experimental-feature NonescapableTypes
+// RUN:   -enable-experimental-feature NonescapableTypes \
+// RUN:   -disable-experimental-parser-round-trip
+// FIXME: Remove '-disable-experimental-parser-round-trip' (rdar://137636751).
 
 // REQUIRES: asserts
 // REQUIRES: swift_in_compiler
diff --git a/test/SILOptimizer/lifetime_dependence/lifetime_dependence_scope.swift b/test/SILOptimizer/lifetime_dependence/lifetime_dependence_scope.swift
index 5048b4d4b6108..4649d5ae763c5 100644
--- a/test/SILOptimizer/lifetime_dependence/lifetime_dependence_scope.swift
+++ b/test/SILOptimizer/lifetime_dependence/lifetime_dependence_scope.swift
@@ -2,7 +2,9 @@
 // RUN:   -sil-verify-all \
 // RUN:   -module-name test \
 // RUN:   -enable-experimental-feature NonescapableTypes \
+// RUN:   -disable-experimental-parser-round-trip \
 // RUN:   2>&1 | %FileCheck %s
+// FIXME: Remove '-disable-experimental-parser-round-trip' (rdar://137636751).
 
 // REQUIRES: asserts
 // REQUIRES: swift_in_compiler
diff --git a/test/SILOptimizer/lifetime_dependence/lifetime_dependence_scope_fixup.swift b/test/SILOptimizer/lifetime_dependence/lifetime_dependence_scope_fixup.swift
index b4ff8740f3bc2..692b93bb57e47 100644
--- a/test/SILOptimizer/lifetime_dependence/lifetime_dependence_scope_fixup.swift
+++ b/test/SILOptimizer/lifetime_dependence/lifetime_dependence_scope_fixup.swift
@@ -1,5 +1,8 @@
 // RUN: %target-swift-frontend %s -emit-sil \
-// RUN: -enable-experimental-feature NonescapableTypes | %FileCheck %s
+// RUN: -enable-experimental-feature NonescapableTypes \
+// RUN:   -disable-experimental-parser-round-trip \
+// RUN: | %FileCheck %s
+// FIXME: Remove '-disable-experimental-parser-round-trip' (rdar://137636751).
 
 // REQUIRES: asserts
 // REQUIRES: swift_in_compiler
diff --git a/test/SILOptimizer/lifetime_dependence/lifetime_dependence_todo.swift b/test/SILOptimizer/lifetime_dependence/lifetime_dependence_todo.swift
index 8271563e1a9b0..012d3cbf0c179 100644
--- a/test/SILOptimizer/lifetime_dependence/lifetime_dependence_todo.swift
+++ b/test/SILOptimizer/lifetime_dependence/lifetime_dependence_todo.swift
@@ -2,7 +2,9 @@
 // RUN:   -o /dev/null \
 // RUN:   -verify \
 // RUN:   -sil-verify-all \
-// RUN:   -enable-experimental-feature NonescapableTypes
+// RUN:   -enable-experimental-feature NonescapableTypes \
+// RUN:   -disable-experimental-parser-round-trip
+// FIXME: Remove '-disable-experimental-parser-round-trip' (rdar://137636751).
 
 // REQUIRES: asserts
 // REQUIRES: swift_in_compiler
diff --git a/test/SILOptimizer/lifetime_dependence/semantics.swift b/test/SILOptimizer/lifetime_dependence/semantics.swift
index caa3836abad18..64966d62062ff 100644
--- a/test/SILOptimizer/lifetime_dependence/semantics.swift
+++ b/test/SILOptimizer/lifetime_dependence/semantics.swift
@@ -3,7 +3,9 @@
 // RUN:   -verify \
 // RUN:   -sil-verify-all \
 // RUN:   -module-name test \
-// RUN:   -enable-experimental-feature NonescapableTypes
+// RUN:   -enable-experimental-feature NonescapableTypes \
+// RUN:   -disable-experimental-parser-round-trip
+// FIXME: Remove '-disable-experimental-parser-round-trip' (rdar://137636751).
 
 // REQUIRES: asserts
 // REQUIRES: swift_in_compiler
diff --git a/test/Sema/implicit_lifetime_dependence.swift b/test/Sema/implicit_lifetime_dependence.swift
index 4923e0d472000..ddd2488ea93ab 100644
--- a/test/Sema/implicit_lifetime_dependence.swift
+++ b/test/Sema/implicit_lifetime_dependence.swift
@@ -1,4 +1,5 @@
-// RUN: %target-typecheck-verify-swift -enable-experimental-feature NonescapableTypes
+// RUN: %target-typecheck-verify-swift -enable-experimental-feature NonescapableTypes -disable-experimental-parser-round-trip
+// FIXME: Remove '-disable-experimental-parser-round-trip' (rdar://137636751).
 // REQUIRES: asserts
 
 struct BufferView : ~Escapable, ~Copyable {
diff --git a/test/Serialization/explicit_lifetime_dependence.swift b/test/Serialization/explicit_lifetime_dependence.swift
index 525b38da77f02..a7e13df26664d 100644
--- a/test/Serialization/explicit_lifetime_dependence.swift
+++ b/test/Serialization/explicit_lifetime_dependence.swift
@@ -1,12 +1,17 @@
 // RUN: %empty-directory(%t)
 // RUN: %target-swift-frontend -emit-module -o %t  %S/Inputs/def_explicit_lifetime_dependence.swift \
 // RUN: -enable-experimental-feature NonescapableTypes \
-// RUN: -disable-lifetime-dependence-diagnostics
+// RUN: -disable-lifetime-dependence-diagnostics \
+// RUN: -disable-experimental-parser-round-trip
 
 // RUN: llvm-bcanalyzer %t/def_explicit_lifetime_dependence.swiftmodule 
 
 // RUN: %target-swift-frontend -module-name lifetime-dependence -emit-sil -I %t %s \
-// RUN: -enable-experimental-feature NonescapableTypes | %FileCheck %s
+// RUN: -enable-experimental-feature NonescapableTypes \
+// RUN: -disable-experimental-parser-round-trip \
+// RUN: | %FileCheck %s
+
+// FIXME: Remove '-disable-experimental-parser-round-trip' (rdar://137636751).
 
 import def_explicit_lifetime_dependence
 func testBasic() {
diff --git a/test/Serialization/implicit_lifetime_dependence.swift b/test/Serialization/implicit_lifetime_dependence.swift
index 7cbf082e8fb7f..a5b9ef8690466 100644
--- a/test/Serialization/implicit_lifetime_dependence.swift
+++ b/test/Serialization/implicit_lifetime_dependence.swift
@@ -1,12 +1,17 @@
 // RUN: %empty-directory(%t)
 // RUN: %target-swift-frontend -emit-module -o %t  %S/Inputs/def_implicit_lifetime_dependence.swift \
 // RUN: -enable-experimental-feature NonescapableTypes \
-// RUN: -disable-lifetime-dependence-diagnostics
+// RUN: -disable-lifetime-dependence-diagnostics \
+// RUN: -disable-experimental-parser-round-trip
 
 // RUN: llvm-bcanalyzer %t/def_implicit_lifetime_dependence.swiftmodule 
 
 // RUN: %target-swift-frontend -module-name lifetime-dependence -emit-sil -I %t %s \
-// RUN: -enable-experimental-feature NonescapableTypes | %FileCheck %s
+// RUN: -enable-experimental-feature NonescapableTypes \
+// RUN: -disable-experimental-parser-round-trip \
+// RUN: | %FileCheck %s
+
+// FIXME: Remove '-disable-experimental-parser-round-trip' (rdar://137636751).
 
 import def_implicit_lifetime_dependence