Use fast_isinstance

yt2b · yt2b · commit 942dccfaae44 · 2022-12-29T01:44:44.000+09:00
diff --git a/vm/src/frame.rs b/vm/src/frame.rs
@@ -541,7 +541,7 @@ impl ExecutingFrame<'_> {
                 let result = self.locals.mapping().subscript(name, vm);
                 match result {
                     Ok(x) => self.push_value(x),
-                    Err(e) if e.class().is(vm.ctx.exceptions.key_error) => {
+                    Err(e) if e.fast_isinstance(vm.ctx.exceptions.key_error) => {
                         self.push_value(self.load_global_or_builtin(name, vm)?);
                     }
                     Err(e) => return Err(e),

Original file line number	Diff line number	Diff line change
`@@ -541,7 +541,7 @@ impl ExecutingFrame<'_> {`
`541`	`541`	`let result = self.locals.mapping().subscript(name, vm);`
`542`	`542`	`match result {`
`543`	`543`	`Ok(x) => self.push_value(x),`
`544`		`- Err(e) if e.class().is(vm.ctx.exceptions.key_error) => {`
	`544`	`+ Err(e) if e.fast_isinstance(vm.ctx.exceptions.key_error) => {`
`545`	`545`	`self.push_value(self.load_global_or_builtin(name, vm)?);`
`546`	`546`	`}`
`547`	`547`	`Err(e) => return Err(e),`