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Unified Diff: runtime/vm/flow_graph_type_propagator.cc

Issue 14682020: Optimize functions containing try-catch. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: rebased Created 7 years, 7 months ago
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Index: runtime/vm/flow_graph_type_propagator.cc
===================================================================
--- runtime/vm/flow_graph_type_propagator.cc (revision 22613)
+++ runtime/vm/flow_graph_type_propagator.cc (working copy)
@@ -668,8 +668,12 @@
// always be wrongly eliminated.
// However there are parameters that are known to match their declared type:
// for example receiver and construction phase.
- const Function& function = block_->parsed_function().function();
- LocalScope* scope = block_->parsed_function().node_sequence()->scope();
+ GraphEntryInstr* graph_entry = block_->AsGraphEntry();
+ // Parameters at catch-blocks have type dynamic.
+ if (graph_entry == NULL) return CompileType::Dynamic();
+
+ const Function& function = graph_entry->parsed_function().function();
+ LocalScope* scope = graph_entry->parsed_function().node_sequence()->scope();
const AbstractType& type = scope->VariableAt(index())->type();
// Parameter is the constructor phase.
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