diff --git a/src/test/mir-opt/instrument_coverage/rustc.bar.InstrumentCoverage.diff b/src/test/mir-opt/instrument_coverage/rustc.bar.InstrumentCoverage.diff
index e0fe4dc493843..af2899c887a94 100644
--- a/src/test/mir-opt/instrument_coverage/rustc.bar.InstrumentCoverage.diff
+++ b/src/test/mir-opt/instrument_coverage/rustc.bar.InstrumentCoverage.diff
@@ -7,8 +7,7 @@
   
       bb0: {
 +         StorageLive(_1);                 // scope 0 at $DIR/instrument_coverage.rs:18:1: 20:2
-+         _1 = const std::intrinsics::count_code_region(const 0_u32) -> bb2; // scope 0 at $DIR/instrument_coverage.rs:18:1: 20:2
-+         _1 = const std::intrinsics::count_code_region(const 0u32, const 484u32, const 513u32) -> bb2; // scope 0 at $DIR/instrument_coverage.rs:18:1: 20:2
++         _1 = const std::intrinsics::count_code_region(const 0_u32, const 484_u32, const 513_u32) -> bb2; // scope 0 at $DIR/instrument_coverage.rs:18:1: 20:2
 +                                          // ty::Const
 +                                          // + ty: unsafe extern "rust-intrinsic" fn(u32, u32, u32) {std::intrinsics::count_code_region}
 +                                          // + val: Value(Scalar(<ZST>))
diff --git a/src/test/mir-opt/instrument_coverage/rustc.main.InstrumentCoverage.diff b/src/test/mir-opt/instrument_coverage/rustc.main.InstrumentCoverage.diff
index e46d911dc0123..4a300230f8a97 100644
--- a/src/test/mir-opt/instrument_coverage/rustc.main.InstrumentCoverage.diff
+++ b/src/test/mir-opt/instrument_coverage/rustc.main.InstrumentCoverage.diff
@@ -11,8 +11,7 @@
       bb0: {
 -         falseUnwind -> [real: bb1, cleanup: bb2]; // scope 0 at $DIR/instrument_coverage.rs:10:5: 14:6
 +         StorageLive(_4);                 // scope 0 at $DIR/instrument_coverage.rs:9:1: 15:2
-+         _4 = const std::intrinsics::count_code_region(const 0_u32) -> bb7; // scope 0 at $DIR/instrument_coverage.rs:9:1: 15:2
-+         _4 = const std::intrinsics::count_code_region(const 0u32, const 387u32, const 465u32) -> bb7; // scope 0 at $DIR/instrument_coverage.rs:9:1: 15:2
++         _4 = const std::intrinsics::count_code_region(const 0_u32, const 387_u32, const 465_u32) -> bb7; // scope 0 at $DIR/instrument_coverage.rs:9:1: 15:2
 +                                          // ty::Const
 +                                          // + ty: unsafe extern "rust-intrinsic" fn(u32, u32, u32) {std::intrinsics::count_code_region}
 +                                          // + val: Value(Scalar(<ZST>))