Split fuzzy_provenance_casts into lossy and fuzzy, feature gate and test it

* split `fuzzy_provenance_casts` into a ptr2int and a int2ptr lint * feature gate both lints * update documentation to be more realistic short term * add tests for these lints
2022-04-02 21:07:00 +02:00 · 2022-04-02 21:07:00 +02:00 · 98a4834237
commit 98a4834237
parent 1040cab53b
11 changed files with 281 additions and 35 deletions
--- a/compiler/rustc_span/src/symbol.rs
+++ b/compiler/rustc_span/src/symbol.rs
@ -1348,6 +1348,7 @@ symbols! {
        str_trim,
        str_trim_end,
        str_trim_start,
+        strict_provenance,
        stringify,
        stringify_macro,
        struct_field_attributes,