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Auto merge of #127670 - compiler-errors:no-type-length-limit, r=jackh726

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Gate the type length limit check behind a nightly flag

Effectively disables the type length limit by introducing a `-Zenforce-type-length-limit` which defaults to **`false`**, since making the length limit actually be enforced ended up having a worse fallout than expected. We still keep the code around, but the type length limit attr is now a noop (except for its usage in some diagnostics code?).

r? `@lcnr` -- up to you to decide what team consensus we need here since this reverses an FCP decision.

Reopens #125460 (if we decide to reopen it or keep it closed)
Effectively reverses the decision FCP'd in #125507
Closes #127346
This commit is contained in:
bors 2024-07-14 12:44:07 +00:00
commit 88fa119c77
17 changed files with 54 additions and 58 deletions
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compiler/rustc_session/src/options.rs
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@ -1711,6 +1711,8 @@ options! {
"emit a section containing stack size metadata (default: no)"),
emit_thin_lto: bool = (true, parse_bool, [TRACKED],
"emit the bc module with thin LTO info (default: yes)"),
enforce_type_length_limit: bool = (false, parse_bool, [TRACKED],
"enforce the type length limit when monomorphizing instances in codegen"),
export_executable_symbols: bool = (false, parse_bool, [TRACKED],
"export symbols from executables, as if they were dynamic libraries"),
external_clangrt: bool = (false, parse_bool, [UNTRACKED],