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Rollup merge of #77932 - ssomers:btree_cleanup_gdb, r=Mark-Simulacrum

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BTreeMap: improve gdb introspection of BTreeMap with ZST keys or values

I accidentally pushed an earlier revision in #77788: it changes the index of tuples for BTreeSet from ""[{}]".format(i) to "key{}".format(i). Which doesn't seem to make the slightest difference on my linux box nor on CI. In fact, gdb doesn't make any distinction between "key{}" and "val{}" for a BTreeMap either, leading to confusing output if you test more. But easy to improve.

r? @Mark-Simulacrum
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Dylan DPC 2020-10-17 03:27:18 +02:00 • committed by GitHub
commit 16b878fd0f
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3 changed files with 29 additions and 20 deletions
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library/alloc/src/collections/btree/node.rs
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@ -87,7 +87,6 @@ impl<K, V> LeafNode<K, V> {
#[repr(C)]
// gdb_providers.py uses this type name for introspection.
struct InternalNode<K, V> {
// gdb_providers.py uses this field name for introspection.
data: LeafNode<K, V>,
/// The pointers to the children of this node. `len + 1` of these are considered