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authorOli Scherer <git-spam-no-reply9815368754983@oli-obk.de>2022-11-02 15:10:05 +0000
committerOli Scherer <git-spam-no-reply9815368754983@oli-obk.de>2022-11-21 16:35:04 +0000
commitae80c764d46a3c250a6cc41e5d2de5b8ed48567e (patch)
tree33d45438def2000f3accc145225bc4268e8da38d /compiler/rustc_lint/src
parent94fe30ff2fa39a912325121846074a659e8ec420 (diff)
downloadrust-ae80c764d46a3c250a6cc41e5d2de5b8ed48567e.tar.gz
rust-ae80c764d46a3c250a6cc41e5d2de5b8ed48567e.zip
Add an always-ambiguous predicate to make sure that we don't accidentlally allow trait resolution to prove false things during coherence
Diffstat (limited to 'compiler/rustc_lint/src')
-rw-r--r--compiler/rustc_lint/src/builtin.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/rustc_lint/src/builtin.rs b/compiler/rustc_lint/src/builtin.rs
index c2d0a662ddb..01a5ba65d8f 100644
--- a/compiler/rustc_lint/src/builtin.rs
+++ b/compiler/rustc_lint/src/builtin.rs
@@ -1659,6 +1659,7 @@ impl<'tcx> LateLintPass<'tcx> for TrivialConstraints {
                     Coerce(..) |
                     ConstEvaluatable(..) |
                     ConstEquate(..) |
+                    Ambiguous |
                     TypeWellFormedFromEnv(..) => continue,
                 };
                 if predicate.is_global() {