diff --git a/src/test/mir-opt/end_region_1.rs b/src/test/mir-opt/end_region_1.rs
index 54409d3543eb..9c8cfc0ab208 100644
--- a/src/test/mir-opt/end_region_1.rs
+++ b/src/test/mir-opt/end_region_1.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: -Z identify_regions
+// compile-flags: -Z identify_regions -Z emit-end-regions
 // ignore-tidy-linelength
 
 // This is just about the simplest program that exhibits an EndRegion.
diff --git a/src/test/mir-opt/end_region_2.rs b/src/test/mir-opt/end_region_2.rs
index b37bd4188d97..6a4e209a14b7 100644
--- a/src/test/mir-opt/end_region_2.rs
+++ b/src/test/mir-opt/end_region_2.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: -Z identify_regions
+// compile-flags: -Z identify_regions -Z emit-end-regions
 // ignore-tidy-linelength
 
 // We will EndRegion for borrows in a loop that occur before break but
diff --git a/src/test/mir-opt/end_region_3.rs b/src/test/mir-opt/end_region_3.rs
index be9fc579ab63..cb1d45e37c83 100644
--- a/src/test/mir-opt/end_region_3.rs
+++ b/src/test/mir-opt/end_region_3.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: -Z identify_regions
+// compile-flags: -Z identify_regions -Z emit-end-regions
 // ignore-tidy-linelength
 
 // Binding the borrow's subject outside the loop does not increase the
diff --git a/src/test/mir-opt/end_region_4.rs b/src/test/mir-opt/end_region_4.rs
index 58ce1ed5b84b..b714b6bc55b2 100644
--- a/src/test/mir-opt/end_region_4.rs
+++ b/src/test/mir-opt/end_region_4.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: -Z identify_regions
+// compile-flags: -Z identify_regions -Z emit-end-regions
 // ignore-tidy-linelength
 
 // Unwinding should EndRegion for in-scope borrows: Direct borrows.
diff --git a/src/test/mir-opt/end_region_5.rs b/src/test/mir-opt/end_region_5.rs
index be62a5473a6f..a4c53675b9c3 100644
--- a/src/test/mir-opt/end_region_5.rs
+++ b/src/test/mir-opt/end_region_5.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: -Z identify_regions -Z span_free_formats
+// compile-flags: -Z identify_regions -Z span_free_formats -Z emit-end-regions
 // ignore-tidy-linelength
 
 // Unwinding should EndRegion for in-scope borrows: Borrowing via by-ref closure.
diff --git a/src/test/mir-opt/end_region_6.rs b/src/test/mir-opt/end_region_6.rs
index 23b92583a11d..daa94769430d 100644
--- a/src/test/mir-opt/end_region_6.rs
+++ b/src/test/mir-opt/end_region_6.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: -Z identify_regions -Z span_free_formats
+// compile-flags: -Z identify_regions -Z span_free_formats -Z emit-end-regions
 // ignore-tidy-linelength
 
 // Unwinding should EndRegion for in-scope borrows: 2nd borrow within by-ref closure.
diff --git a/src/test/mir-opt/end_region_7.rs b/src/test/mir-opt/end_region_7.rs
index ee0615f2bb31..9feacd04fe0f 100644
--- a/src/test/mir-opt/end_region_7.rs
+++ b/src/test/mir-opt/end_region_7.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: -Z identify_regions -Z span_free_formats
+// compile-flags: -Z identify_regions -Z span_free_formats -Z emit-end-regions
 // ignore-tidy-linelength
 
 // Unwinding should EndRegion for in-scope borrows: Borrow of moved data.
diff --git a/src/test/mir-opt/end_region_8.rs b/src/test/mir-opt/end_region_8.rs
index ef184e39c006..30dda7a40626 100644
--- a/src/test/mir-opt/end_region_8.rs
+++ b/src/test/mir-opt/end_region_8.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: -Z identify_regions -Z span_free_formats
+// compile-flags: -Z identify_regions -Z span_free_formats -Z emit-end-regions
 // ignore-tidy-linelength
 
 // Unwinding should EndRegion for in-scope borrows: Move of borrow into closure.
diff --git a/src/test/mir-opt/end_region_9.rs b/src/test/mir-opt/end_region_9.rs
index 719bc3ff9dd0..bbfdc0e77a8d 100644
--- a/src/test/mir-opt/end_region_9.rs
+++ b/src/test/mir-opt/end_region_9.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: -Z identify_regions -Z span_free_formats
+// compile-flags: -Z identify_regions -Z span_free_formats -Z emit-end-regions
 // ignore-tidy-linelength
 
 // This test models a scenario that arielb1 found during review.