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authorRalf Jung <post@ralfj.de>2022-08-07 08:30:03 -0400
committerRalf Jung <post@ralfj.de>2022-08-07 09:54:40 -0400
commitbe6bb56ee0c88353a01675c4cc525020f1d3137a (patch)
treec049cd79befa17f6a8ac5e1ad7824bf9d1c1941a /compiler/rustc_session/src
parentcc71eef498a24af884c4ffa288101a73447bfc61 (diff)
add -Zextra-const-ub-checks to enable more UB checking in const-eval
Diffstat (limited to 'compiler/rustc_session/src')
-rw-r--r--compiler/rustc_session/src/options.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/rustc_session/src/options.rs b/compiler/rustc_session/src/options.rs
index 1827f1c208d..0032dd7d113 100644
--- a/compiler/rustc_session/src/options.rs
+++ b/compiler/rustc_session/src/options.rs
@@ -1310,6 +1310,8 @@ options! {
         "emit the bc module with thin LTO info (default: yes)"),
     export_executable_symbols: bool = (false, parse_bool, [TRACKED],
         "export symbols from executables, as if they were dynamic libraries"),
+    extra_const_ub_checks: bool = (false, parse_bool, [TRACKED],
+        "turns on more checks to detect const UB, which can be slow (default: no)"),
     #[cfg_attr(not(bootstrap), rustc_lint_opt_deny_field_access("use `Session::fewer_names` instead of this field"))]
     fewer_names: Option<bool> = (None, parse_opt_bool, [TRACKED],
         "reduce memory use by retaining fewer names within compilation artifacts (LLVM-IR) \