Add explicit errors on unhandled instructions in Flatten (#6992)

kripken · web-flow · commit a1b88267bb97 · 2024-10-07T15:37:53.000-07:00
This error makes #6989 less confusing.
diff --git a/src/passes/Flatten.cpp b/src/passes/Flatten.cpp
@@ -329,6 +329,11 @@ struct Flatten
       }
     }
 
+    if (curr->is<BrOn>() || curr->is<TryTable>()) {
+      Fatal() << "Unsupported instruction for Flatten: "
+              << getExpressionName(curr);
+    }
+
     // continue for general handling of everything, control flow or otherwise
     curr = getCurrent(); // we may have replaced it
     // we have changed children

Original file line number	Diff line number	Diff line change
`@@ -329,6 +329,11 @@ struct Flatten`
`329`	`329`	`}`
`330`	`330`	`}`
`331`	`331`
	`332`	`+ if (curr->is<BrOn>() \|\| curr->is<TryTable>()) {`
	`333`	`+ Fatal() << "Unsupported instruction for Flatten: "`
	`334`	`+ << getExpressionName(curr);`
	`335`	`+ }`
	`336`	`+`
`332`	`337`	`// continue for general handling of everything, control flow or otherwise`
`333`	`338`	`curr = getCurrent(); // we may have replaced it`
`334`	`339`	`// we have changed children`