src/builtins/x87/builtins-x87.cc - Issue 2655013002: [Builtins] Smi-check the spread and go to runtime in CheckSpreadAndPushToStack.

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Unified Diff: src/builtins/x87/builtins-x87.cc

Issue 2655013002: [Builtins] Smi-check the spread and go to runtime in CheckSpreadAndPushToStack. (Closed)

Patch Set: Put a try/catch in the regression test so it doesn't fail Created 3 years, 11 months ago

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Index: src/builtins/x87/builtins-x87.cc

diff --git a/src/builtins/x87/builtins-x87.cc b/src/builtins/x87/builtins-x87.cc

index 9651e7ba2f05a571f5ea016895ac24dbb8e56922..ac70827b6a08e455581304bbbfe9df0977b10533 100644

--- a/src/builtins/x87/builtins-x87.cc

+++ b/src/builtins/x87/builtins-x87.cc

@@ -2722,10 +2722,11 @@ static void CheckSpreadAndPushToStack(MacroAssembler* masm) {

+ Label runtime_call, push_args;

__ mov(spread, Operand(esp, kPointerSize));

+ __ JumpIfSmi(spread, &runtime_call);

__ mov(spread_map, FieldOperand(spread, HeapObject::kMapOffset));

- Label runtime_call, push_args;

// Check that the spread is an array.

__ CmpInstanceType(spread_map, JS_ARRAY_TYPE);

__ j(not_equal, &runtime_call);

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