Avoid accidental insertion into map

gcc/rust/ChangeLog: * resolve/rust-ast-resolve-pattern.cc (PatternDeclaration::check_bindings_consistency): Check if outer_bindings_map contains an entry before indexing. Signed-off-by: Owen Avery <[email protected]>
Rust-GCC · Sep 7, 2024 · 14528a8 · 14528a8
1 parent 84f772c
commit 14528a8
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/gcc/rust/resolve/rust-ast-resolve-pattern.cc b/gcc/rust/resolve/rust-ast-resolve-pattern.cc
@@ -330,7 +330,8 @@ PatternDeclaration::check_bindings_consistency (
 	      if (!ident_is_outer_bound && !missing_bindings.count (ident))
 		missing_bindings.insert ({ident, inner_info});
 
-	      else if (outer_bindings_map[ident] != inner_info
+	      else if (outer_bindings_map.count (ident)
+		       && outer_bindings_map[ident] != inner_info
 		       && !inconsistent_bindings.count (ident))
 		inconsistent_bindings.insert ({ident, inner_info});
 	    }