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authorCamille GILLOT <gillot.camille@gmail.com>2022-07-18 20:41:27 +0200
committerCamille GILLOT <gillot.camille@gmail.com>2022-07-19 19:36:45 +0200
commit0065929599d276ce756a55948e8316615be1e7ec (patch)
tree79ea0ca2afddaa86ceed624868e35a5a209e704e /compiler
parent144227dae949fb98896a2ba077d8fe7f36c3238e (diff)
downloadrust-0065929599d276ce756a55948e8316615be1e7ec.tar.gz
rust-0065929599d276ce756a55948e8316615be1e7ec.zip
Erase regions before comparing signatures of foreign fns.
Diffstat (limited to 'compiler')
-rw-r--r--compiler/rustc_lint/src/builtin.rs7
1 files changed, 4 insertions, 3 deletions
diff --git a/compiler/rustc_lint/src/builtin.rs b/compiler/rustc_lint/src/builtin.rs
index a0472f98d72..9e4dc702f07 100644
--- a/compiler/rustc_lint/src/builtin.rs
+++ b/compiler/rustc_lint/src/builtin.rs
@@ -2858,9 +2858,10 @@ impl ClashingExternDeclarations {
                             let a_poly_sig = a.fn_sig(tcx);
                             let b_poly_sig = b.fn_sig(tcx);
 
-                            // As we don't compare regions, skip_binder is fine.
-                            let a_sig = a_poly_sig.skip_binder();
-                            let b_sig = b_poly_sig.skip_binder();
+                            // We don't compare regions, but leaving bound regions around ICEs, so
+                            // we erase them.
+                            let a_sig = tcx.erase_late_bound_regions(a_poly_sig);
+                            let b_sig = tcx.erase_late_bound_regions(b_poly_sig);
 
                             (a_sig.abi, a_sig.unsafety, a_sig.c_variadic)
                                 == (b_sig.abi, b_sig.unsafety, b_sig.c_variadic)