runtime/vm/flow_graph_compiler_arm.cc - Issue 18147021: Fix type check elimination bug in code generator (issue 11792).

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Unified Diff: runtime/vm/flow_graph_compiler_arm.cc

Issue 18147021: Fix type check elimination bug in code generator (issue 11792). (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/

Patch Set: Created 7 years, 5 months ago

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Index: runtime/vm/flow_graph_compiler_arm.cc

===================================================================

--- runtime/vm/flow_graph_compiler_arm.cc (revision 24961)

+++ runtime/vm/flow_graph_compiler_arm.cc (working copy)

@@ -656,7 +656,7 @@

__ CompareImmediate(R0, reinterpret_cast<int32_t>(Object::null()));

__ b(&is_assignable, EQ);

- if (!FLAG_eliminate_type_checks) {

+ if (!FLAG_eliminate_type_checks || dst_type.IsMalformed()) {

// If type checks are not eliminated during the graph building then

// a transition sentinel can be seen here.

__ CompareObject(R0, Object::transition_sentinel());

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