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-rw-r--r--libsolidity/codegen/CompilerUtils.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/libsolidity/codegen/CompilerUtils.cpp b/libsolidity/codegen/CompilerUtils.cpp
index d5361ac6..a8299626 100644
--- a/libsolidity/codegen/CompilerUtils.cpp
+++ b/libsolidity/codegen/CompilerUtils.cpp
@@ -312,7 +312,8 @@ void CompilerUtils::memoryCopy()
m_context << Instruction::DIV << u256(c_identityWordGas) << Instruction::MUL;
m_context << u256(c_identityGas) << Instruction::ADD;
m_context << Instruction::CALL;
- m_context << Instruction::POP; // ignore return value
+ m_context << Instruction::ISZERO;
+ m_context.appendConditionalJumpTo(m_context.errorTag());
}
void CompilerUtils::splitExternalFunctionType(bool _leftAligned)