Mark C enums as semantic2done to prevent segfaults in final switch

abulgit · abulgit · commit 34b7698b053d · 2025-03-27T17:11:22.000+05:30
diff --git a/compiler/src/dmd/enumsem.d b/compiler/src/dmd/enumsem.d
@@ -332,7 +332,9 @@ void enumSemantic(Scope* sc, EnumDeclaration ed)
         }
 
         ed.memtype = commonType;
-        ed.semanticRun = PASS.semanticdone;
+        // Set semantic2done to mark C enums as fully processed
+        // Prevents issues with final switch statements that reference C enums
+        ed.semanticRun = PASS.semantic2done;
         return;
     }
 

Original file line number	Diff line number	Diff line change
`@@ -332,7 +332,9 @@ void enumSemantic(Scope* sc, EnumDeclaration ed)`
`332`	`332`	`}`
`333`	`333`
`334`	`334`	`ed.memtype = commonType;`
`335`		`- ed.semanticRun = PASS.semanticdone;`
	`335`	`+ // Set semantic2done to mark C enums as fully processed`
	`336`	`+ // Prevents issues with final switch statements that reference C enums`
	`337`	`+ ed.semanticRun = PASS.semantic2done;`
`336`	`338`	`return;`
`337`	`339`	`}`
`338`	`340`