julec: fix --opt-exceptional may apply forwarding optimization in the wrong place

mertcandav · mertcandav · commit 7df8ba0133c8 · 2026-03-22T11:37:15.000+03:00
diff --git a/src/julec/obj/determine.jule b/src/julec/obj/determine.jule
@@ -16,8 +16,12 @@ fn IsForwarded(s: &sema::Scope): bool {
 	if !isValue {
 		ret false
 	}
-	_, isValue = v.Model.(&sema::BuiltinErrorCallExpr)
-	ret isValue
+	err, isValue := v.Model.(&sema::BuiltinErrorCallExpr)
+	if !isValue {
+		ret false
+	}
+	var, isValue := err.Err.Model.(&sema::Var)
+	ret isValue && var.Name == "error"
 }
 
 // Reports whether expression comes from external define.

Original file line number	Diff line number	Diff line change
`@@ -16,8 +16,12 @@ fn IsForwarded(s: &sema::Scope): bool {`
`16`	`16`	`if !isValue {`
`17`	`17`	`ret false`
`18`	`18`	`}`
`19`		`- _, isValue = v.Model.(&sema::BuiltinErrorCallExpr)`
`20`		`- ret isValue`
	`19`	`+ err, isValue := v.Model.(&sema::BuiltinErrorCallExpr)`
	`20`	`+ if !isValue {`
	`21`	`+ ret false`
	`22`	`+ }`
	`23`	`+ var, isValue := err.Err.Model.(&sema::Var)`
	`24`	`+ ret isValue && var.Name == "error"`
`21`	`25`	`}`
`22`	`26`
`23`	`27`	`// Reports whether expression comes from external define.`