sync alloc dump and pointer printing

RalfJung · RalfJung · commit c427438d24b0 · 2020-04-26T15:58:53.000+02:00
diff --git a/src/librustc_mir/interpret/memory.rs b/src/librustc_mir/interpret/memory.rs
@@ -672,7 +672,7 @@ impl<'mir, 'tcx, M: Machine<'mir, 'tcx>> Memory<'mir, 'tcx, M> {
     /// control for this.
     pub fn dump_allocs(&self, mut allocs: Vec<AllocId>) {
         // Cannot be a closure because it is generic in `Tag`, `Extra`.
-        fn write_allocation_track_relocs<'tcx, Tag, Extra>(
+        fn write_allocation_track_relocs<'tcx, Tag: Copy + fmt::Debug, Extra>(
             tcx: TyCtxtAt<'tcx>,
             allocs_to_print: &mut VecDeque<AllocId>,
             alloc: &Allocation<Tag, Extra>,
diff --git a/src/librustc_mir/util/pretty.rs b/src/librustc_mir/util/pretty.rs
@@ -1,22 +1,23 @@
+use std::collections::BTreeSet;
+use std::fmt::{Debug, Display};
+use std::fmt::Write as _;
+use std::fs;
+use std::io::{self, Write};
+use std::path::{Path, PathBuf};
+
 use super::graphviz::write_mir_fn_graphviz;
 use crate::transform::MirSource;
 use either::Either;
 use rustc_data_structures::fx::FxHashMap;
 use rustc_hir::def_id::{DefId, LOCAL_CRATE};
 use rustc_index::vec::Idx;
 use rustc_middle::mir::interpret::{
-    read_target_uint, AllocId, Allocation, ConstValue, GlobalAlloc,
+    read_target_uint, AllocId, Allocation, ConstValue, GlobalAlloc, Pointer,
 };
 use rustc_middle::mir::visit::Visitor;
 use rustc_middle::mir::*;
 use rustc_middle::ty::{self, TyCtxt, TypeFoldable, TypeVisitor};
 use rustc_target::abi::Size;
-use std::collections::BTreeSet;
-use std::fmt::Display;
-use std::fmt::Write as _;
-use std::fs;
-use std::io::{self, Write};
-use std::path::{Path, PathBuf};
 
 const INDENT: &str = "    ";
 /// Alignment for lining up comments following MIR statements
@@ -635,7 +636,7 @@ pub fn write_allocations<'tcx>(
 /// After the hex dump, an ascii dump follows, replacing all unprintable characters (control
 /// characters or characters whose value is larger than 127) with a `.`
 /// This also prints relocations adequately.
-pub fn write_allocation<Tag, Extra>(
+pub fn write_allocation<Tag: Copy + Debug, Extra>(
     tcx: TyCtxt<'tcx>,
     alloc: &Allocation<Tag, Extra>,
     w: &mut dyn Write,
@@ -679,7 +680,7 @@ fn write_allocation_newline(
 /// The `prefix` argument allows callers to add an arbitrary prefix before each line (even if there
 /// is only one line). Note that your prefix should contain a trailing space as the lines are
 /// printed directly after it.
-fn write_allocation_bytes<Tag, Extra>(
+fn write_allocation_bytes<Tag: Copy + Debug, Extra>(
     tcx: TyCtxt<'tcx>,
     alloc: &Allocation<Tag, Extra>,
     w: &mut dyn Write,
@@ -715,14 +716,16 @@ fn write_allocation_bytes<Tag, Extra>(
         if i != line_start {
             write!(w, " ")?;
         }
-        if let Some(&(_, target_id)) = alloc.relocations().get(&i) {
+        if let Some(&(tag, target_id)) = alloc.relocations().get(&i) {
             // Memory with a relocation must be defined
             let j = i.bytes_usize();
             let offset =
                 alloc.inspect_with_undef_and_ptr_outside_interpreter(j..j + ptr_size.bytes_usize());
             let offset = read_target_uint(tcx.data_layout.endian, offset).unwrap();
+            let offset = Size::from_bytes(offset);
             let relocation_width = |bytes| bytes * 3;
-            let mut target = format!("{}+{}", target_id, offset);
+            let ptr = Pointer::new_with_tag(target_id, offset, tag);
+            let mut target = format!("{:?}", ptr);
             if ((i - line_start) + ptr_size).bytes_usize() > BYTES_PER_LINE {
                 // This branch handles the situation where a relocation starts in the current line
                 // but ends in the next one.
diff --git a/src/test/mir-opt/const_allocation/32bit/rustc.main.ConstProp.after.mir b/src/test/mir-opt/const_allocation/32bit/rustc.main.ConstProp.after.mir
@@ -30,19 +30,19 @@ fn main() -> () {
 }
 
 alloc0 (static: FOO, size: 8, align: 4) {
-    ╾alloc17+0╼ 03 00 00 00                         │ ╾──╼....
+    ╾alloc17+0x0 (4 ptr bytes)╼ 03 00 00 00                         │ ╾──╼....
 }
 
 alloc17 (size: 48, align: 4) {
-    0x00 │ 00 00 00 00 __ __ __ __ ╾alloc4+0─╼ 00 00 00 00 │ ....░░░░╾──╼....
-    0x10 │ 00 00 00 00 __ __ __ __ ╾alloc8+0─╼ 02 00 00 00 │ ....░░░░╾──╼....
-    0x20 │ 01 00 00 00 2a 00 00 00 ╾alloc13+0╼ 03 00 00 00 │ ....*...╾──╼....
+    0x00 │ 00 00 00 00 __ __ __ __ ╾alloc4+0x0 (4 ptr bytes)╼ 00 00 00 00 │ ....░░░░╾──╼....
+    0x10 │ 00 00 00 00 __ __ __ __ ╾alloc8+0x0 (4 ptr bytes)╼ 02 00 00 00 │ ....░░░░╾──╼....
+    0x20 │ 01 00 00 00 2a 00 00 00 ╾alloc13+0x0 (4 ptr bytes)╼ 03 00 00 00 │ ....*...╾──╼....
 }
 
 alloc4 (size: 0, align: 4) {}
 
 alloc8 (size: 16, align: 4) {
-    ╾alloc7+0─╼ 03 00 00 00 ╾alloc9+0─╼ 03 00 00 00 │ ╾──╼....╾──╼....
+    ╾alloc7+0x0 (4 ptr bytes)╼ 03 00 00 00 ╾alloc9+0x0 (4 ptr bytes)╼ 03 00 00 00 │ ╾──╼....╾──╼....
 }
 
 alloc7 (size: 3, align: 1) {
@@ -54,8 +54,8 @@ alloc9 (size: 3, align: 1) {
 }
 
 alloc13 (size: 24, align: 4) {
-    0x00 │ ╾alloc12+0╼ 03 00 00 00 ╾alloc14+0╼ 03 00 00 00 │ ╾──╼....╾──╼....
-    0x10 │ ╾alloc15+0╼ 04 00 00 00                         │ ╾──╼....
+    0x00 │ ╾alloc12+0x0 (4 ptr bytes)╼ 03 00 00 00 ╾alloc14+0x0 (4 ptr bytes)╼ 03 00 00 00 │ ╾──╼....╾──╼....
+    0x10 │ ╾alloc15+0x0 (4 ptr bytes)╼ 04 00 00 00                         │ ╾──╼....
 }
 
 alloc12 (size: 3, align: 1) {
diff --git a/src/test/mir-opt/const_allocation/64bit/rustc.main.ConstProp.after.mir b/src/test/mir-opt/const_allocation/64bit/rustc.main.ConstProp.after.mir
@@ -30,22 +30,22 @@ fn main() -> () {
 }
 
 alloc0 (static: FOO, size: 16, align: 8) {
-    ╾──────alloc17+0──────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
+    ╾─────alloc17+0x0─────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
 }
 
 alloc17 (size: 72, align: 8) {
-    0x00 │ 00 00 00 00 __ __ __ __ ╾──────alloc4+0───────╼ │ ....░░░░╾──────╼
+    0x00 │ 00 00 00 00 __ __ __ __ ╾─────alloc4+0x0──────╼ │ ....░░░░╾──────╼
     0x10 │ 00 00 00 00 00 00 00 00 00 00 00 00 __ __ __ __ │ ............░░░░
-    0x20 │ ╾──────alloc8+0───────╼ 02 00 00 00 00 00 00 00 │ ╾──────╼........
-    0x30 │ 01 00 00 00 2a 00 00 00 ╾──────alloc13+0──────╼ │ ....*...╾──────╼
+    0x20 │ ╾─────alloc8+0x0──────╼ 02 00 00 00 00 00 00 00 │ ╾──────╼........
+    0x30 │ 01 00 00 00 2a 00 00 00 ╾─────alloc13+0x0─────╼ │ ....*...╾──────╼
     0x40 │ 03 00 00 00 00 00 00 00                         │ ........
 }
 
 alloc4 (size: 0, align: 8) {}
 
 alloc8 (size: 32, align: 8) {
-    0x00 │ ╾──────alloc7+0───────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
-    0x10 │ ╾──────alloc9+0───────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
+    0x00 │ ╾─────alloc7+0x0──────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
+    0x10 │ ╾─────alloc9+0x0──────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
 }
 
 alloc7 (size: 3, align: 1) {
@@ -57,9 +57,9 @@ alloc9 (size: 3, align: 1) {
 }
 
 alloc13 (size: 48, align: 8) {
-    0x00 │ ╾──────alloc12+0──────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
-    0x10 │ ╾──────alloc14+0──────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
-    0x20 │ ╾──────alloc15+0──────╼ 04 00 00 00 00 00 00 00 │ ╾──────╼........
+    0x00 │ ╾─────alloc12+0x0─────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
+    0x10 │ ╾─────alloc14+0x0─────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
+    0x20 │ ╾─────alloc15+0x0─────╼ 04 00 00 00 00 00 00 00 │ ╾──────╼........
 }
 
 alloc12 (size: 3, align: 1) {
diff --git a/src/test/mir-opt/const_allocation2/32bit/rustc.main.ConstProp.after.mir b/src/test/mir-opt/const_allocation2/32bit/rustc.main.ConstProp.after.mir
@@ -30,19 +30,19 @@ fn main() -> () {
 }
 
 alloc0 (static: FOO, size: 8, align: 4) {
-    ╾alloc21+0╼ 03 00 00 00                         │ ╾──╼....
+    ╾alloc21+0x0 (4 ptr bytes)╼ 03 00 00 00                         │ ╾──╼....
 }
 
 alloc21 (size: 48, align: 4) {
-    0x00 │ 00 00 00 00 __ __ __ __ ╾alloc4+0─╼ 00 00 00 00 │ ....░░░░╾──╼....
-    0x10 │ 00 00 00 00 __ __ __ __ ╾alloc9+0─╼ 02 00 00 00 │ ....░░░░╾──╼....
-    0x20 │ 01 00 00 00 2a 00 00 00 ╾alloc19+0╼ 03 00 00 00 │ ....*...╾──╼....
+    0x00 │ 00 00 00 00 __ __ __ __ ╾alloc4+0x0 (4 ptr bytes)╼ 00 00 00 00 │ ....░░░░╾──╼....
+    0x10 │ 00 00 00 00 __ __ __ __ ╾alloc9+0x0 (4 ptr bytes)╼ 02 00 00 00 │ ....░░░░╾──╼....
+    0x20 │ 01 00 00 00 2a 00 00 00 ╾alloc19+0x0 (4 ptr bytes)╼ 03 00 00 00 │ ....*...╾──╼....
 }
 
 alloc4 (size: 0, align: 4) {}
 
 alloc9 (size: 8, align: 4) {
-    ╾alloc7+0─╼ ╾alloc8+0─╼                         │ ╾──╼╾──╼
+    ╾alloc7+0x0 (4 ptr bytes)╼ ╾alloc8+0x0 (4 ptr bytes)╼                         │ ╾──╼╾──╼
 }
 
 alloc7 (size: 1, align: 1) {
@@ -54,7 +54,7 @@ alloc8 (size: 1, align: 1) {
 }
 
 alloc19 (size: 12, align: 4) {
-    ╾alloc15+3╼ ╾alloc16+0╼ ╾alloc18+2╼             │ ╾──╼╾──╼╾──╼
+    ╾alloc15+0x3 (4 ptr bytes)╼ ╾alloc16+0x0 (4 ptr bytes)╼ ╾alloc18+0x2 (4 ptr bytes)╼             │ ╾──╼╾──╼╾──╼
 }
 
 alloc15 (size: 4, align: 1) {
diff --git a/src/test/mir-opt/const_allocation2/64bit/rustc.main.ConstProp.after.mir b/src/test/mir-opt/const_allocation2/64bit/rustc.main.ConstProp.after.mir
@@ -30,21 +30,21 @@ fn main() -> () {
 }
 
 alloc0 (static: FOO, size: 16, align: 8) {
-    ╾──────alloc21+0──────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
+    ╾─────alloc21+0x0─────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
 }
 
 alloc21 (size: 72, align: 8) {
-    0x00 │ 00 00 00 00 __ __ __ __ ╾──────alloc4+0───────╼ │ ....░░░░╾──────╼
+    0x00 │ 00 00 00 00 __ __ __ __ ╾─────alloc4+0x0──────╼ │ ....░░░░╾──────╼
     0x10 │ 00 00 00 00 00 00 00 00 00 00 00 00 __ __ __ __ │ ............░░░░
-    0x20 │ ╾──────alloc9+0───────╼ 02 00 00 00 00 00 00 00 │ ╾──────╼........
-    0x30 │ 01 00 00 00 2a 00 00 00 ╾──────alloc19+0──────╼ │ ....*...╾──────╼
+    0x20 │ ╾─────alloc9+0x0──────╼ 02 00 00 00 00 00 00 00 │ ╾──────╼........
+    0x30 │ 01 00 00 00 2a 00 00 00 ╾─────alloc19+0x0─────╼ │ ....*...╾──────╼
     0x40 │ 03 00 00 00 00 00 00 00                         │ ........
 }
 
 alloc4 (size: 0, align: 8) {}
 
 alloc9 (size: 16, align: 8) {
-    ╾──────alloc7+0───────╼ ╾──────alloc8+0───────╼ │ ╾──────╼╾──────╼
+    ╾─────alloc7+0x0──────╼ ╾─────alloc8+0x0──────╼ │ ╾──────╼╾──────╼
 }
 
 alloc7 (size: 1, align: 1) {
@@ -56,8 +56,8 @@ alloc8 (size: 1, align: 1) {
 }
 
 alloc19 (size: 24, align: 8) {
-    0x00 │ ╾──────alloc15+3──────╼ ╾──────alloc16+0──────╼ │ ╾──────╼╾──────╼
-    0x10 │ ╾──────alloc18+2──────╼                         │ ╾──────╼
+    0x00 │ ╾─────alloc15+0x3─────╼ ╾─────alloc16+0x0─────╼ │ ╾──────╼╾──────╼
+    0x10 │ ╾─────alloc18+0x2─────╼                         │ ╾──────╼
 }
 
 alloc15 (size: 4, align: 1) {
diff --git a/src/test/mir-opt/const_allocation3/32bit/rustc.main.ConstProp.after.mir b/src/test/mir-opt/const_allocation3/32bit/rustc.main.ConstProp.after.mir
@@ -30,20 +30,20 @@ fn main() -> () {
 }
 
 alloc0 (static: FOO, size: 4, align: 4) {
-    ╾alloc9+0─╼                                     │ ╾──╼
+    ╾alloc9+0x0 (4 ptr bytes)╼                                     │ ╾──╼
 }
 
 alloc9 (size: 168, align: 1) {
     0x00 │ ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab │ ................
-    0x10 │ ab ab ab ab ab ab ab ab ab ab ab ab ╾alloc4+0─╼ │ ............╾──╼
+    0x10 │ ab ab ab ab ab ab ab ab ab ab ab ab ╾alloc4+0x0 (4 ptr bytes)╼ │ ............╾──╼
     0x20 │ 01 ef cd ab 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
     0x30 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
     0x40 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
     0x50 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
     0x60 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
     0x70 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
-    0x80 │ 00 00 00 00 00 00 00 00 00 00 ╾alloc6+0─╼ 00 00 │ ..........╾──╼..
-    0x90 │ ╾alloc7+99╼ 00 00 00 00 00 00 00 00 00 00 00 00 │ ╾──╼............
+    0x80 │ 00 00 00 00 00 00 00 00 00 00 ╾alloc6+0x0 (4 ptr bytes)╼ 00 00 │ ..........╾──╼..
+    0x90 │ ╾alloc7+0x63 (4 ptr bytes)╼ 00 00 00 00 00 00 00 00 00 00 00 00 │ ╾──╼............
     0xa0 │ 00 00 00 00 00 00 00 00                         │ ........
 }
 
diff --git a/src/test/mir-opt/const_allocation3/64bit/rustc.main.ConstProp.after.mir b/src/test/mir-opt/const_allocation3/64bit/rustc.main.ConstProp.after.mir
@@ -30,20 +30,20 @@ fn main() -> () {
 }
 
 alloc0 (static: FOO, size: 8, align: 8) {
-    ╾──────alloc9+0───────╼                         │ ╾──────╼
+    ╾─────alloc9+0x0──────╼                         │ ╾──────╼
 }
 
 alloc9 (size: 180, align: 1) {
     0x00 │ ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab │ ................
-    0x10 │ ab ab ab ab ab ab ab ab ab ab ab ab ╾─alloc4+0─ │ ............╾───
+    0x10 │ ab ab ab ab ab ab ab ab ab ab ab ab ╾alloc4+0x0 │ ............╾───
     0x20 │ ──────────╼ 01 ef cd ab 00 00 00 00 00 00 00 00 │ ───╼............
     0x30 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
     0x40 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
     0x50 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
     0x60 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
     0x70 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
     0x80 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ╾──── │ ..............╾─
-    0x90 │ ────alloc6+0────╼ 00 00 ╾──────alloc7+99──────╼ │ ─────╼..╾──────╼
+    0x90 │ ───alloc6+0x0───╼ 00 00 ╾─────alloc7+0x63─────╼ │ ─────╼..╾──────╼
     0xa0 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
     0xb0 │ 00 00 00 00                                     │ ....
 }

Original file line number	Diff line number	Diff line change
`@@ -30,19 +30,19 @@ fn main() -> () {`
`30`	`30`	`}`
`31`	`31`
`32`	`32`	`alloc0 (static: FOO, size: 8, align: 4) {`
`33`		`- ╾alloc17+0╼ 03 00 00 00 │ ╾──╼....`
	`33`	`+ ╾alloc17+0x0 (4 ptr bytes)╼ 03 00 00 00 │ ╾──╼....`
`34`	`34`	`}`
`35`	`35`
`36`	`36`	`alloc17 (size: 48, align: 4) {`
`37`		`- 0x00 │ 00 00 00 00 __ __ __ __ ╾alloc4+0─╼ 00 00 00 00 │ ....░░░░╾──╼....`
`38`		`- 0x10 │ 00 00 00 00 __ __ __ __ ╾alloc8+0─╼ 02 00 00 00 │ ....░░░░╾──╼....`
`39`		`- 0x20 │ 01 00 00 00 2a 00 00 00 ╾alloc13+0╼ 03 00 00 00 │ ....*...╾──╼....`
	`37`	`+ 0x00 │ 00 00 00 00 __ __ __ __ ╾alloc4+0x0 (4 ptr bytes)╼ 00 00 00 00 │ ....░░░░╾──╼....`
	`38`	`+ 0x10 │ 00 00 00 00 __ __ __ __ ╾alloc8+0x0 (4 ptr bytes)╼ 02 00 00 00 │ ....░░░░╾──╼....`
	`39`	`+ 0x20 │ 01 00 00 00 2a 00 00 00 ╾alloc13+0x0 (4 ptr bytes)╼ 03 00 00 00 │ ....*...╾──╼....`
`40`	`40`	`}`
`41`	`41`
`42`	`42`	`alloc4 (size: 0, align: 4) {}`
`43`	`43`
`44`	`44`	`alloc8 (size: 16, align: 4) {`
`45`		`- ╾alloc7+0─╼ 03 00 00 00 ╾alloc9+0─╼ 03 00 00 00 │ ╾──╼....╾──╼....`
	`45`	`+ ╾alloc7+0x0 (4 ptr bytes)╼ 03 00 00 00 ╾alloc9+0x0 (4 ptr bytes)╼ 03 00 00 00 │ ╾──╼....╾──╼....`
`46`	`46`	`}`
`47`	`47`
`48`	`48`	`alloc7 (size: 3, align: 1) {`
`@@ -54,8 +54,8 @@ alloc9 (size: 3, align: 1) {`
`54`	`54`	`}`
`55`	`55`
`56`	`56`	`alloc13 (size: 24, align: 4) {`
`57`		`- 0x00 │ ╾alloc12+0╼ 03 00 00 00 ╾alloc14+0╼ 03 00 00 00 │ ╾──╼....╾──╼....`
`58`		`- 0x10 │ ╾alloc15+0╼ 04 00 00 00 │ ╾──╼....`
	`57`	`+ 0x00 │ ╾alloc12+0x0 (4 ptr bytes)╼ 03 00 00 00 ╾alloc14+0x0 (4 ptr bytes)╼ 03 00 00 00 │ ╾──╼....╾──╼....`
	`58`	`+ 0x10 │ ╾alloc15+0x0 (4 ptr bytes)╼ 04 00 00 00 │ ╾──╼....`
`59`	`59`	`}`
`60`	`60`
`61`	`61`	`alloc12 (size: 3, align: 1) {`
Original file line number	Diff line number	Diff line change
`@@ -30,22 +30,22 @@ fn main() -> () {`
`30`	`30`	`}`
`31`	`31`
`32`	`32`	`alloc0 (static: FOO, size: 16, align: 8) {`
`33`		`- ╾──────alloc17+0──────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........`
	`33`	`+ ╾─────alloc17+0x0─────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........`
`34`	`34`	`}`
`35`	`35`
`36`	`36`	`alloc17 (size: 72, align: 8) {`
`37`		`- 0x00 │ 00 00 00 00 __ __ __ __ ╾──────alloc4+0───────╼ │ ....░░░░╾──────╼`
	`37`	`+ 0x00 │ 00 00 00 00 __ __ __ __ ╾─────alloc4+0x0──────╼ │ ....░░░░╾──────╼`
`38`	`38`	`0x10 │ 00 00 00 00 00 00 00 00 00 00 00 00 __ __ __ __ │ ............░░░░`
`39`		`- 0x20 │ ╾──────alloc8+0───────╼ 02 00 00 00 00 00 00 00 │ ╾──────╼........`
`40`		`- 0x30 │ 01 00 00 00 2a 00 00 00 ╾──────alloc13+0──────╼ │ ....*...╾──────╼`
	`39`	`+ 0x20 │ ╾─────alloc8+0x0──────╼ 02 00 00 00 00 00 00 00 │ ╾──────╼........`
	`40`	`+ 0x30 │ 01 00 00 00 2a 00 00 00 ╾─────alloc13+0x0─────╼ │ ....*...╾──────╼`
`41`	`41`	`0x40 │ 03 00 00 00 00 00 00 00 │ ........`
`42`	`42`	`}`
`43`	`43`
`44`	`44`	`alloc4 (size: 0, align: 8) {}`
`45`	`45`
`46`	`46`	`alloc8 (size: 32, align: 8) {`
`47`		`- 0x00 │ ╾──────alloc7+0───────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........`
`48`		`- 0x10 │ ╾──────alloc9+0───────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........`
	`47`	`+ 0x00 │ ╾─────alloc7+0x0──────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........`
	`48`	`+ 0x10 │ ╾─────alloc9+0x0──────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........`
`49`	`49`	`}`
`50`	`50`
`51`	`51`	`alloc7 (size: 3, align: 1) {`
`@@ -57,9 +57,9 @@ alloc9 (size: 3, align: 1) {`
`57`	`57`	`}`
`58`	`58`
`59`	`59`	`alloc13 (size: 48, align: 8) {`
`60`		`- 0x00 │ ╾──────alloc12+0──────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........`
`61`		`- 0x10 │ ╾──────alloc14+0──────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........`
`62`		`- 0x20 │ ╾──────alloc15+0──────╼ 04 00 00 00 00 00 00 00 │ ╾──────╼........`
	`60`	`+ 0x00 │ ╾─────alloc12+0x0─────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........`
	`61`	`+ 0x10 │ ╾─────alloc14+0x0─────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........`
	`62`	`+ 0x20 │ ╾─────alloc15+0x0─────╼ 04 00 00 00 00 00 00 00 │ ╾──────╼........`
`63`	`63`	`}`
`64`	`64`
`65`	`65`	`alloc12 (size: 3, align: 1) {`
Original file line number	Diff line number	Diff line change
`@@ -30,21 +30,21 @@ fn main() -> () {`
`30`	`30`	`}`
`31`	`31`
`32`	`32`	`alloc0 (static: FOO, size: 16, align: 8) {`
`33`		`- ╾──────alloc21+0──────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........`
	`33`	`+ ╾─────alloc21+0x0─────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........`
`34`	`34`	`}`
`35`	`35`
`36`	`36`	`alloc21 (size: 72, align: 8) {`
`37`		`- 0x00 │ 00 00 00 00 __ __ __ __ ╾──────alloc4+0───────╼ │ ....░░░░╾──────╼`
	`37`	`+ 0x00 │ 00 00 00 00 __ __ __ __ ╾─────alloc4+0x0──────╼ │ ....░░░░╾──────╼`
`38`	`38`	`0x10 │ 00 00 00 00 00 00 00 00 00 00 00 00 __ __ __ __ │ ............░░░░`
`39`		`- 0x20 │ ╾──────alloc9+0───────╼ 02 00 00 00 00 00 00 00 │ ╾──────╼........`
`40`		`- 0x30 │ 01 00 00 00 2a 00 00 00 ╾──────alloc19+0──────╼ │ ....*...╾──────╼`
	`39`	`+ 0x20 │ ╾─────alloc9+0x0──────╼ 02 00 00 00 00 00 00 00 │ ╾──────╼........`
	`40`	`+ 0x30 │ 01 00 00 00 2a 00 00 00 ╾─────alloc19+0x0─────╼ │ ....*...╾──────╼`
`41`	`41`	`0x40 │ 03 00 00 00 00 00 00 00 │ ........`
`42`	`42`	`}`
`43`	`43`
`44`	`44`	`alloc4 (size: 0, align: 8) {}`
`45`	`45`
`46`	`46`	`alloc9 (size: 16, align: 8) {`
`47`		`- ╾──────alloc7+0───────╼ ╾──────alloc8+0───────╼ │ ╾──────╼╾──────╼`
	`47`	`+ ╾─────alloc7+0x0──────╼ ╾─────alloc8+0x0──────╼ │ ╾──────╼╾──────╼`
`48`	`48`	`}`
`49`	`49`
`50`	`50`	`alloc7 (size: 1, align: 1) {`
`@@ -56,8 +56,8 @@ alloc8 (size: 1, align: 1) {`
`56`	`56`	`}`
`57`	`57`
`58`	`58`	`alloc19 (size: 24, align: 8) {`
`59`		`- 0x00 │ ╾──────alloc15+3──────╼ ╾──────alloc16+0──────╼ │ ╾──────╼╾──────╼`
`60`		`- 0x10 │ ╾──────alloc18+2──────╼ │ ╾──────╼`
	`59`	`+ 0x00 │ ╾─────alloc15+0x3─────╼ ╾─────alloc16+0x0─────╼ │ ╾──────╼╾──────╼`
	`60`	`+ 0x10 │ ╾─────alloc18+0x2─────╼ │ ╾──────╼`
`61`	`61`	`}`
`62`	`62`
`63`	`63`	`alloc15 (size: 4, align: 1) {`