runtime/vm/stub_code_x64.cc - Issue 2941643002: Check for a passed-in type argument vector in the prolog of generic functions.

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Unified Diff: runtime/vm/stub_code_x64.cc

Issue 2941643002: Check for a passed-in type argument vector in the prolog of generic functions. (Closed)

Patch Set: address review comments Created 3 years, 6 months ago

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Index: runtime/vm/stub_code_x64.cc

diff --git a/runtime/vm/stub_code_x64.cc b/runtime/vm/stub_code_x64.cc

index d60227d207974dda81aad9bf566edd88aeef2b17..58520becc4e98a7cd200a1bd7678a2281f7c22d3 100644

--- a/runtime/vm/stub_code_x64.cc

+++ b/runtime/vm/stub_code_x64.cc

@@ -833,6 +833,7 @@ void StubCode::GenerateInvokeDartCodeStub(Assembler* assembler) {

// Push arguments. At this point we only need to preserve kTargetCodeReg.

ASSERT(kTargetCodeReg != RDX);

+ // No need to check for type args, disallowed by DartEntry::InvokeFunction.

// Load number of arguments into RBX.

__ movq(RBX, FieldAddress(R10, ArgumentsDescriptor::count_offset()));

__ SmiUntag(RBX);

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