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Merge pull request #11318 from ethereum/stack-message

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Throw StackTooDeep earlier (with sourcelocatiom) for inline assembly
This commit is contained in:
chriseth
2021-04-27 10:50:11 +02:00
committed by GitHub
parent 2e99a56be2 9d5b4150d4
commit 5d087df929
1 changed files with 6 additions and 6 deletions
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libsolidity/codegen/ContractCompiler.cpp
+6 -6
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@@ -855,12 +855,6 @@ bool ContractCompiler::visit(InlineAssembly const& _inlineAssembly)
);
solAssert(variable->type()->sizeOnStack() == 1, "");
solAssert(suffix == "slot", "");
if (stackDiff > 16 || stackDiff < 1)
BOOST_THROW_EXCEPTION(
StackTooDeepError() <<
errinfo_sourceLocation(_inlineAssembly.location()) <<
errinfo_comment("Stack too deep(" + to_string(stackDiff) + "), try removing local variables.")
);
}
else if (variable->type()->dataStoredIn(DataLocation::CallData))
{
@@ -877,6 +871,12 @@ bool ContractCompiler::visit(InlineAssembly const& _inlineAssembly)
else
solAssert(suffix.empty(), "");
if (stackDiff > 16 || stackDiff < 1)
BOOST_THROW_EXCEPTION(
StackTooDeepError() <<
errinfo_sourceLocation(_inlineAssembly.location()) <<
errinfo_comment("Stack too deep(" + to_string(stackDiff) + "), try removing local variables.")
);
_assembly.appendInstruction(swapInstruction(stackDiff));
_assembly.appendInstruction(Instruction::POP);
}