| Index: runtime/vm/stack_frame.h
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| diff --git a/runtime/vm/stack_frame.h b/runtime/vm/stack_frame.h
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| index 94ba9d31837e3fdcd98ae4b278df180be3530ec7..5dd0f14ac0c7aba2131bd541e6345485bff86b98 100644
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| --- a/runtime/vm/stack_frame.h
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| +++ b/runtime/vm/stack_frame.h
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| @@ -50,7 +50,12 @@ class StackFrame : public ValueObject {
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|    }
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|  
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|    void set_pc(uword value) {
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| -    *reinterpret_cast<uword*>(sp_ + (kSavedPcSlotFromSp * kWordSize)) = value;
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| +    *reinterpret_cast<uword*>(sp() + (kSavedPcSlotFromSp * kWordSize)) = value;
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| +  }
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| +
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| +  void set_pc_marker(RawCode* code) {
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| +    *reinterpret_cast<RawCode**>(fp() + (kPcMarkerSlotFromFp * kWordSize)) =
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| +        code;
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|    }
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|  
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|    // Visit objects in the frame.
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| 
 |