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-rw-r--r--js/src/jit/MIRGraph.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/js/src/jit/MIRGraph.h b/js/src/jit/MIRGraph.h
index b986218f42..705d70fa1f 100644
--- a/js/src/jit/MIRGraph.h
+++ b/js/src/jit/MIRGraph.h
@@ -142,6 +142,9 @@ class MBasicBlock : public TempObject, public InlineListNode<MBasicBlock>
// Move the definition to the top of the stack.
void pick(int32_t depth);
+ // Move the top of the stack definition under the depth-th stack value.
+ void unpick(int32_t depth);
+
// Exchange 2 stack slots at the defined depth
void swapAt(int32_t depth);