[turbofan] Fix deopt for assignments in non-effect context.

src/compiler/ast-graph-builder.h

Index: src/compiler/ast-graph-builder.h
diff --git a/src/compiler/ast-graph-builder.h b/src/compiler/ast-graph-builder.h
index 6e51723e049f5718928a0047809fc95dab1e7681..518f23f46ad102faa0baae5c62c605a139a3a4fb 100644
--- a/src/compiler/ast-graph-builder.h
+++ b/src/compiler/ast-graph-builder.h
@@ -80,7 +80,9 @@ class AstGraphBuilder : public StructuredGraphBuilder, public AstVisitor {
 
   // Builders for variable load and assignment.
   Node* BuildVariableAssignment(Variable* var, Node* value, Token::Value op,
-                                BailoutId bailout_id);
+                                BailoutId bailout_id,
+                                OutputFrameStateCombine state_combine =
+                                    OutputFrameStateCombine::Ignore());
   Node* BuildVariableDelete(Variable* var, BailoutId bailout_id,
                             OutputFrameStateCombine state_combine);
   Node* BuildVariableLoad(Variable* var, BailoutId bailout_id,