Implement rustc side of report-future-incompat

2020-08-13 15:41:52 -04:00
parent ffe52882ed
commit 23018a55d9
22 changed files with 332 additions and 114 deletions
--- a/compiler/rustc_session/src/options.rs
+++ b/compiler/rustc_session/src/options.rs
@@ -893,6 +893,8 @@ options! {DebuggingOptions, DebuggingSetter, basic_debugging_options,
        all `statement`s (including terminators), only `terminator` spans, or \
        computed `block` spans (one span encompassing a block's terminator and \
        all statements)."),
+    emit_future_compat_report: bool = (false, parse_bool, [UNTRACKED],
+        "emits a future-compatibility report for lints (RFC 2834)"),
    emit_stack_sizes: bool = (false, parse_bool, [UNTRACKED],
        "emit a section containing stack size metadata (default: no)"),
    fewer_names: bool = (false, parse_bool, [TRACKED],