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Merge pull request #9039 from ethereum/yul-remove-pc-instr

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[Yul] remove PC instruction
This commit is contained in:
chriseth
2020-06-03 14:10:35 +02:00
committed by GitHub
parent c8b9d24eba 9820df58ab
commit 1f49edd29d
4 changed files with 13 additions and 10 deletions
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libyul/AsmAnalysis.cpp
+10 -8
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@@ -580,16 +580,18 @@ bool AsmAnalyzer::warnOnInstructions(evmasm::Instruction _instr, SourceLocation
errorForVM("only available for Constantinople-compatible");
else if (_instr == evmasm::Instruction::CHAINID && !m_evmVersion.hasChainID())
errorForVM("only available for Istanbul-compatible");
else if (_instr == evmasm::Instruction::PC)
m_errorReporter.warning(
2450_error,
_location,
"The \"" +
boost::to_lower_copy(instructionInfo(_instr).name) +
"\" instruction is deprecated and will be removed in the next breaking release."
);
else if (_instr == evmasm::Instruction::SELFBALANCE && !m_evmVersion.hasSelfBalance())
errorForVM("only available for Istanbul-compatible");
else if (_instr == evmasm::Instruction::PC)
{
m_errorReporter.error(
4316_error,
Error::Type::SyntaxError,
_location,
"PC instruction is a low-level EVM feature. "
"Because of that PC is disallowed in strict assembly."
);
}
else if (
_instr == evmasm::Instruction::JUMP ||
_instr == evmasm::Instruction::JUMPI ||