diff --git a/src/test/mir-opt/nll/named-lifetimes-basic.rs b/src/test/mir-opt/nll/named-lifetimes-basic.rs
index e3f67d817f3..34d0482a623 100644
--- a/src/test/mir-opt/nll/named-lifetimes-basic.rs
+++ b/src/test/mir-opt/nll/named-lifetimes-basic.rs
@@ -26,9 +26,9 @@ fn main() {
 
 // END RUST SOURCE
 // START rustc.use_x.nll.0.mir
-// | '_#0r: {bb0[0], bb0[1], '_#0r}
-// | '_#1r: {bb0[0], bb0[1], '_#0r, '_#1r}
-// | '_#2r: {bb0[0], bb0[1], '_#2r}
-// ...
-// fn use_x(_1: &'_#0r mut i32, _2: &'_#1r u32, _3: &'_#0r u32, _4: &'_#2r u32) -> bool {
+// | '_#0r: {bb0[0], bb0[1], '_#0r, '_#1r, '_#2r, '_#3r}
+// | '_#1r: {bb0[0], bb0[1], '_#1r}
+// | '_#2r: {bb0[0], bb0[1], '_#1r, '_#2r}
+// | '_#3r: {bb0[0], bb0[1], '_#3r}
+// fn use_x(_1: &'_#1r mut i32, _2: &'_#2r u32, _3: &'_#1r u32, _4: &'_#3r u32) -> bool {
 // END rustc.use_x.nll.0.mir
diff --git a/src/test/mir-opt/nll/reborrow-basic.rs b/src/test/mir-opt/nll/reborrow-basic.rs
index c3df0c840de..f51e839e4fc 100644
--- a/src/test/mir-opt/nll/reborrow-basic.rs
+++ b/src/test/mir-opt/nll/reborrow-basic.rs
@@ -28,12 +28,12 @@ fn main() {
 
 // END RUST SOURCE
 // START rustc.main.nll.0.mir
-// | '_#5r: {bb0[6], bb0[7], bb0[8], bb0[9], bb0[10], bb0[11], bb0[12], bb0[13], bb0[14]}
+// | '_#6r: {bb0[6], bb0[7], bb0[8], bb0[9], bb0[10], bb0[11], bb0[12], bb0[13], bb0[14]}
 // ...
-// | '_#7r: {bb0[11], bb0[12], bb0[13], bb0[14]}
+// | '_#8r: {bb0[11], bb0[12], bb0[13], bb0[14]}
 // END rustc.main.nll.0.mir
 // START rustc.main.nll.0.mir
-// let _2: &'_#5r mut i32;
+// let _2: &'_#6r mut i32;
 // ...
-// let _4: &'_#7r mut i32;
+// let _4: &'_#8r mut i32;
 // END rustc.main.nll.0.mir
diff --git a/src/test/mir-opt/nll/region-liveness-basic.rs b/src/test/mir-opt/nll/region-liveness-basic.rs
index f7276cb2979..ae059febc71 100644
--- a/src/test/mir-opt/nll/region-liveness-basic.rs
+++ b/src/test/mir-opt/nll/region-liveness-basic.rs
@@ -31,15 +31,15 @@ fn main() {
 
 // END RUST SOURCE
 // START rustc.main.nll.0.mir
-// | '_#0r: {bb1[1], bb2[0], bb2[1]}
 // | '_#1r: {bb1[1], bb2[0], bb2[1]}
+// | '_#2r: {bb1[1], bb2[0], bb2[1]}
 // ...
-//             let _2: &'_#1r usize;
+//             let _2: &'_#2r usize;
 // END rustc.main.nll.0.mir
 // START rustc.main.nll.0.mir
 //    bb1: {
 //            | Live variables at bb1[0]: [_1, _3]
-//        _2 = &'_#0r _1[_3];
+//        _2 = &'_#1r _1[_3];
 //            | Live variables at bb1[1]: [_2]
 //        switchInt(const true) -> [0u8: bb3, otherwise: bb2];
 //    }
diff --git a/src/test/mir-opt/nll/region-liveness-drop-may-dangle.rs b/src/test/mir-opt/nll/region-liveness-drop-may-dangle.rs
index 6527df26eae..6d7aa0a26c8 100644
--- a/src/test/mir-opt/nll/region-liveness-drop-may-dangle.rs
+++ b/src/test/mir-opt/nll/region-liveness-drop-may-dangle.rs
@@ -44,5 +44,5 @@ fn drop(&mut self) { }
 
 // END RUST SOURCE
 // START rustc.main.nll.0.mir
-// | '_#4r: {bb1[3], bb1[4], bb1[5], bb2[0], bb2[1]}
+// | '_#5r: {bb1[3], bb1[4], bb1[5], bb2[0], bb2[1]}
 // END rustc.main.nll.0.mir
diff --git a/src/test/mir-opt/nll/region-liveness-drop-no-may-dangle.rs b/src/test/mir-opt/nll/region-liveness-drop-no-may-dangle.rs
index aedb3f562a6..2968ae7d485 100644
--- a/src/test/mir-opt/nll/region-liveness-drop-no-may-dangle.rs
+++ b/src/test/mir-opt/nll/region-liveness-drop-no-may-dangle.rs
@@ -46,5 +46,5 @@ fn drop(&mut self) { }
 
 // END RUST SOURCE
 // START rustc.main.nll.0.mir
-// | '_#4r: {bb1[3], bb1[4], bb1[5], bb2[0], bb2[1], bb2[2], bb3[0], bb3[1], bb3[2], bb4[0], bb4[1], bb4[2], bb6[0], bb7[0], bb7[1], bb7[2], bb8[0]}
+// | '_#5r: {bb1[3], bb1[4], bb1[5], bb2[0], bb2[1], bb2[2], bb3[0], bb3[1], bb3[2], bb4[0], bb4[1], bb4[2], bb6[0], bb7[0], bb7[1], bb7[2], bb8[0]}
 // END rustc.main.nll.0.mir
diff --git a/src/test/mir-opt/nll/region-liveness-two-disjoint-uses.rs b/src/test/mir-opt/nll/region-liveness-two-disjoint-uses.rs
index 23809d176f6..736d2902ec6 100644
--- a/src/test/mir-opt/nll/region-liveness-two-disjoint-uses.rs
+++ b/src/test/mir-opt/nll/region-liveness-two-disjoint-uses.rs
@@ -36,14 +36,14 @@ fn main() {
 
 // END RUST SOURCE
 // START rustc.main.nll.0.mir
-// | '_#0r: {bb1[1], bb2[0], bb2[1]}
+// | '_#1r: {bb1[1], bb2[0], bb2[1]}
 // ...
-// | '_#2r: {bb7[2], bb7[3], bb7[4]}
-// | '_#3r: {bb1[1], bb2[0], bb2[1], bb7[2], bb7[3], bb7[4]}
+// | '_#3r: {bb7[2], bb7[3], bb7[4]}
+// | '_#4r: {bb1[1], bb2[0], bb2[1], bb7[2], bb7[3], bb7[4]}
 // ...
-// let mut _2: &'_#3r usize;
+// let mut _2: &'_#4r usize;
 // ...
-// _2 = &'_#0r _1[_3];
+// _2 = &'_#1r _1[_3];
 // ...
-// _2 = &'_#2r (*_11);
+// _2 = &'_#3r (*_11);
 // END rustc.main.nll.0.mir
diff --git a/src/test/mir-opt/nll/region-subtyping-basic.rs b/src/test/mir-opt/nll/region-subtyping-basic.rs
index cada9c7b254..fb178b46b47 100644
--- a/src/test/mir-opt/nll/region-subtyping-basic.rs
+++ b/src/test/mir-opt/nll/region-subtyping-basic.rs
@@ -32,16 +32,16 @@ fn main() {
 
 // END RUST SOURCE
 // START rustc.main.nll.0.mir
-// | '_#0r: {bb1[1], bb1[2], bb1[3], bb1[4], bb1[5], bb1[6], bb2[0], bb2[1]}
 // | '_#1r: {bb1[1], bb1[2], bb1[3], bb1[4], bb1[5], bb1[6], bb2[0], bb2[1]}
-// | '_#2r: {bb1[5], bb1[6], bb2[0], bb2[1]}
+// | '_#2r: {bb1[1], bb1[2], bb1[3], bb1[4], bb1[5], bb1[6], bb2[0], bb2[1]}
+// | '_#3r: {bb1[5], bb1[6], bb2[0], bb2[1]}
 // END rustc.main.nll.0.mir
 // START rustc.main.nll.0.mir
-// let _2: &'_#1r usize;
+// let _2: &'_#2r usize;
 // ...
-// let _6: &'_#2r usize;
+// let _6: &'_#3r usize;
 // ...
-// _2 = &'_#0r _1[_3];
+// _2 = &'_#1r _1[_3];
 // ...
 // _7 = _2;
 // ...