Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 20 insertions, 0 deletions

diff --git a/third_party/rust/target-lexicon-0.9.0/README.md b/third_party/rust/target-lexicon-0.9.0/README.md
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+This is a library for managing targets for compilers and related tools.
+
+Currently, the main feature is support for decoding "triples", which
+are strings that identify a particular target configuration. They're named
+"triples" because historically they contained three fields, though over time
+they've added additional fields. This library provides a `Triple` struct
+containing enums for each of fields of a triple. `Triple` implements
+`FromStr` and `fmt::Display` so it can be converted to and from the
+conventional string representation of a triple.
+
+`Triple` also has functions for querying a triple's endianness,
+pointer bit width, and binary format.
+
+And, `Triple` and the enum types have `host()` constructors, for targeting
+the host.
+
+It supports all triples currently used by rustc and rustup.
+
+It does not support reading JSON target files itself. To use it with a JSON
+target file, construct a `Triple` using the value of the "llvm-target" field.