FIR CFG: route to exit of try main for throw in try main

to make the remaining part of try main marked as dead. ^KT-45475 Fixed
2021-03-16 00:45:43 -07:00
parent 7a7114f896
commit 922419efb8
5 changed files with 228 additions and 6 deletions
@@ -1272,10 +1272,10 @@ class ControlFlowGraphBuilder {
                    // (4)... in catch, i.e., re-throw.
                    exitTargetsForTry.top()
                } else {
-                    // (4)... in try-main. We already have:
-                    // edges from try-main enter node to each catch clause enter node and
-                    // edges from catch clause enter node to exit target (w/ UncaughtExceptionPath)
-                    return
+                    // (4)... in try-main. Route to exit of try main block.
+                    // We already have edges from the exit of try main block to each catch clause.
+                    // This edge makes the remaining part of try main block, e.g., following `when` branches, marked as dead.
+                    tryMainExitNodes.top()
                }
            }
            // (3)... within finally.