cerc-io/solidity
15
0
Fork 0
mirror of https://github.com/ethereum/solidity synced 2023-10-03 13:03:40 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Throw if calling the identity precompile (memoryCopy) failed

Browse Source
This commit is contained in:
Alex Beregszaszi 2016-12-02 13:18:39 +00:00
parent 3a01a87afe
commit 86d54c02cd
2 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
Changelog.md
View File

@ -5,6 +5,7 @@ Features:
* Optimizer: Some dead code elimination.
Bugfixes:
* Code generator: throw if calling the identity precompile failed during memory (array) copying.
* Type checker: string literals that are not valid UTF-8 cannot be converted to string type
### 0.4.6 (2016-11-22)

3
libsolidity/codegen/CompilerUtils.cpp
View File

@ -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)