diff --git a/src/test/mir-opt/const_prop/bad_op_unsafe_oob_for_slices/32bit/rustc.main.ConstProp.diff b/src/test/mir-opt/const_prop/bad_op_unsafe_oob_for_slices/32bit/rustc.main.ConstProp.diff
index ee4d4c39f17..0ad68b9f6c7 100644
--- a/src/test/mir-opt/const_prop/bad_op_unsafe_oob_for_slices/32bit/rustc.main.ConstProp.diff
+++ b/src/test/mir-opt/const_prop/bad_op_unsafe_oob_for_slices/32bit/rustc.main.ConstProp.diff
@@ -28,10 +28,10 @@
           _9 = const main::promoted[0];    // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35
                                            // ty::Const
                                            // + ty: &[i32; 3]
-                                           // + val: Unevaluated(DefId(0:3 ~ bad_op_unsafe_oob_for_slices[317d]::main[0]), [], Some(promoted[0]))
+                                           // + val: Unevaluated(WithOptParam { did: DefId(0:3 ~ bad_op_unsafe_oob_for_slices[317d]::main[0]), param_did: None }, [], Some(promoted[0]))
                                            // mir::Constant
                                            // + span: $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35
-                                           // + literal: Const { ty: &[i32; 3], val: Unevaluated(DefId(0:3 ~ bad_op_unsafe_oob_for_slices[317d]::main[0]), [], Some(promoted[0])) }
+                                           // + literal: Const { ty: &[i32; 3], val: Unevaluated(WithOptParam { did: DefId(0:3 ~ bad_op_unsafe_oob_for_slices[317d]::main[0]), param_did: None }, [], Some(promoted[0])) }
           _3 = _9;                         // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35
           _2 = &raw const (*_3);           // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35
           _1 = move _2 as *const [i32] (Pointer(Unsize)); // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35
diff --git a/src/test/mir-opt/const_prop/slice_len/32bit/rustc.main.ConstProp.diff b/src/test/mir-opt/const_prop/slice_len/32bit/rustc.main.ConstProp.diff
index 70c41564882..7176428d82a 100644
--- a/src/test/mir-opt/const_prop/slice_len/32bit/rustc.main.ConstProp.diff
+++ b/src/test/mir-opt/const_prop/slice_len/32bit/rustc.main.ConstProp.diff
@@ -21,10 +21,10 @@
           _9 = const main::promoted[0];    // scope 0 at $DIR/slice_len.rs:5:6: 5:19
                                            // ty::Const
                                            // + ty: &[u32; 3]
-                                           // + val: Unevaluated(DefId(0:3 ~ slice_len[317d]::main[0]), [], Some(promoted[0]))
+                                           // + val: Unevaluated(WithOptParam { did: DefId(0:3 ~ slice_len[317d]::main[0]), param_did: None }, [], Some(promoted[0]))
                                            // mir::Constant
                                            // + span: $DIR/slice_len.rs:5:6: 5:19
-                                           // + literal: Const { ty: &[u32; 3], val: Unevaluated(DefId(0:3 ~ slice_len[317d]::main[0]), [], Some(promoted[0])) }
+                                           // + literal: Const { ty: &[u32; 3], val: Unevaluated(WithOptParam { did: DefId(0:3 ~ slice_len[317d]::main[0]), param_did: None }, [], Some(promoted[0])) }
           _4 = _9;                         // scope 0 at $DIR/slice_len.rs:5:6: 5:19
           _3 = _4;                         // scope 0 at $DIR/slice_len.rs:5:6: 5:19
           _2 = move _3 as &[u32] (Pointer(Unsize)); // scope 0 at $DIR/slice_len.rs:5:6: 5:19
diff --git a/src/test/mir-opt/issue-73223/32bit/rustc.main.PreCodegen.diff b/src/test/mir-opt/issue-73223/32bit/rustc.main.PreCodegen.diff
index 59c00e1b96f..ebbfd5eaedb 100644
--- a/src/test/mir-opt/issue-73223/32bit/rustc.main.PreCodegen.diff
+++ b/src/test/mir-opt/issue-73223/32bit/rustc.main.PreCodegen.diff
@@ -96,10 +96,10 @@
           (_5.1: &i32) = const main::promoted[1]; // scope 3 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
                                            // ty::Const
                                            // + ty: &i32
-                                           // + val: Unevaluated(DefId(0:3 ~ issue_73223[317d]::main[0]), [], Some(promoted[1]))
+                                           // + val: Unevaluated(WithOptParam { did: DefId(0:3 ~ issue_73223[317d]::main[0]), param_did: None }, [], Some(promoted[1]))
                                            // mir::Constant
                                            // + span: $SRC_DIR/libcore/macros/mod.rs:LL:COL
-                                           // + literal: Const { ty: &i32, val: Unevaluated(DefId(0:3 ~ issue_73223[317d]::main[0]), [], Some(promoted[1])) }
+                                           // + literal: Const { ty: &i32, val: Unevaluated(WithOptParam { did: DefId(0:3 ~ issue_73223[317d]::main[0]), param_did: None }, [], Some(promoted[1])) }
           StorageDead(_6);                 // scope 3 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
           StorageLive(_7);                 // scope 3 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
           _7 = (_5.0: &i32);               // scope 3 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
@@ -140,10 +140,10 @@
           _15 = const main::promoted[0] as &[&str] (Pointer(Unsize)); // scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
                                            // ty::Const
                                            // + ty: &[&str; 3]
-                                           // + val: Unevaluated(DefId(0:3 ~ issue_73223[317d]::main[0]), [], Some(promoted[0]))
+                                           // + val: Unevaluated(WithOptParam { did: DefId(0:3 ~ issue_73223[317d]::main[0]), param_did: None }, [], Some(promoted[0]))
                                            // mir::Constant
                                            // + span: $SRC_DIR/libcore/macros/mod.rs:LL:COL
-                                           // + literal: Const { ty: &[&str; 3], val: Unevaluated(DefId(0:3 ~ issue_73223[317d]::main[0]), [], Some(promoted[0])) }
+                                           // + literal: Const { ty: &[&str; 3], val: Unevaluated(WithOptParam { did: DefId(0:3 ~ issue_73223[317d]::main[0]), param_did: None }, [], Some(promoted[0])) }
           StorageLive(_18);                // scope 4 at $SRC_DIR/libstd/macros.rs:LL:COL
           StorageLive(_19);                // scope 4 at $SRC_DIR/libstd/macros.rs:LL:COL
           StorageLive(_20);                // scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
diff --git a/src/test/mir-opt/issue-73223/32bit/rustc.main.SimplifyArmIdentity.diff b/src/test/mir-opt/issue-73223/32bit/rustc.main.SimplifyArmIdentity.diff
index 1020fc965fe..3d9f9b096b6 100644
--- a/src/test/mir-opt/issue-73223/32bit/rustc.main.SimplifyArmIdentity.diff
+++ b/src/test/mir-opt/issue-73223/32bit/rustc.main.SimplifyArmIdentity.diff
@@ -153,10 +153,10 @@
           _51 = const main::promoted[1];   // scope 3 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
                                            // ty::Const
                                            // + ty: &i32
-                                           // + val: Unevaluated(DefId(0:3 ~ issue_73223[317d]::main[0]), [], Some(promoted[1]))
+                                           // + val: Unevaluated(WithOptParam { did: DefId(0:3 ~ issue_73223[317d]::main[0]), param_did: None }, [], Some(promoted[1]))
                                            // mir::Constant
                                            // + span: $SRC_DIR/libcore/macros/mod.rs:LL:COL
-                                           // + literal: Const { ty: &i32, val: Unevaluated(DefId(0:3 ~ issue_73223[317d]::main[0]), [], Some(promoted[1])) }
+                                           // + literal: Const { ty: &i32, val: Unevaluated(WithOptParam { did: DefId(0:3 ~ issue_73223[317d]::main[0]), param_did: None }, [], Some(promoted[1])) }
           _11 = _51;                       // scope 3 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
           (_9.0: &i32) = move _10;         // scope 3 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
           (_9.1: &i32) = move _11;         // scope 3 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
@@ -220,10 +220,10 @@
           _50 = const main::promoted[0];   // scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
                                            // ty::Const
                                            // + ty: &[&str; 3]
-                                           // + val: Unevaluated(DefId(0:3 ~ issue_73223[317d]::main[0]), [], Some(promoted[0]))
+                                           // + val: Unevaluated(WithOptParam { did: DefId(0:3 ~ issue_73223[317d]::main[0]), param_did: None }, [], Some(promoted[0]))
                                            // mir::Constant
                                            // + span: $SRC_DIR/libcore/macros/mod.rs:LL:COL
-                                           // + literal: Const { ty: &[&str; 3], val: Unevaluated(DefId(0:3 ~ issue_73223[317d]::main[0]), [], Some(promoted[0])) }
+                                           // + literal: Const { ty: &[&str; 3], val: Unevaluated(WithOptParam { did: DefId(0:3 ~ issue_73223[317d]::main[0]), param_did: None }, [], Some(promoted[0])) }
           _25 = _50;                       // scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
           _24 = _25;                       // scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
           _23 = move _24 as &[&str] (Pointer(Unsize)); // scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL