Assume there are no macros left in ast lowering.

m-ou-se · m-ou-se · commit 298e160dc88d · 2023-01-12T19:58:49.000+01:00
diff --git a/compiler/rustc_ast_lowering/src/format.rs b/compiler/rustc_ast_lowering/src/format.rs
@@ -334,13 +334,8 @@ fn may_contain_yield_point(e: &ast::Expr) -> bool {
         }
 
         fn visit_mac_call(&mut self, _: &ast::MacCall) {
-            self.0 = true;
-        }
-
-        fn visit_attribute(&mut self, _: &ast::Attribute) {
-            // Conservatively assume this may be a proc macro attribute in
-            // expression position.
-            self.0 = true;
+            // Macros should be expanded at this point.
+            unreachable!("unexpanded macro in ast lowering");
         }
 
         fn visit_item(&mut self, _: &ast::Item) {

Original file line number	Diff line number	Diff line change
`@@ -334,13 +334,8 @@ fn may_contain_yield_point(e: &ast::Expr) -> bool {`
`334`	`334`	`}`
`335`	`335`
`336`	`336`	`fn visit_mac_call(&mut self, _: &ast::MacCall) {`
`337`		`- self.0 = true;`
`338`		`- }`
`339`		`-`
`340`		`- fn visit_attribute(&mut self, _: &ast::Attribute) {`
`341`		`- // Conservatively assume this may be a proc macro attribute in`
`342`		`- // expression position.`
`343`		`- self.0 = true;`
	`337`	`+ // Macros should be expanded at this point.`
	`338`	`+ unreachable!("unexpanded macro in ast lowering");`
`344`	`339`	`}`
`345`	`340`
`346`	`341`	`fn visit_item(&mut self, _: &ast::Item) {`