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Merge pull request #11476 from ethereum/fix-ice-on-library-bound-to-literal

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Fix ICE in IR when a library is bound to a literal
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chriseth 2021-06-03 08:58:00 +02:00 committed by GitHub
commit 93936129f1
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2 changed files with 26 additions and 13 deletions
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13
libsolidity/codegen/ir/IRGeneratorForStatements.cpp
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@ -1576,19 +1576,6 @@ void IRGeneratorForStatements::endVisit(MemberAccess const& _memberAccess)
if (memberFunctionType && memberFunctionType->bound())
{
solAssert((set<Type::Category>{
Type::Category::Contract,
Type::Category::Bool,
Type::Category::Integer,
Type::Category::Address,
Type::Category::Function,
Type::Category::Struct,
Type::Category::Enum,
Type::Category::Mapping,
Type::Category::Array,
Type::Category::FixedBytes,
}).count(objectCategory) > 0, "");
define(IRVariable(_memberAccess).part("self"), _memberAccess.expression());
solAssert(*_memberAccess.annotation().requiredLookup == VirtualLookup::Static, "");
if (memberFunctionType->kind() == FunctionType::Kind::Internal)

26
test/libsolidity/semanticTests/libraries/internal_library_function_bound_to_literal.sol Normal file
View File

@ -0,0 +1,26 @@
library L {
function double(uint a) internal pure returns (uint) {
return a * 2;
}
function double(bytes memory a) internal pure returns (bytes memory) {
return bytes.concat(a, a);
}
}
contract C {
using L for *;
function double42() public returns (uint) {
return 42.double();
}
function doubleABC() public returns (bytes memory) {
return "abc".double();
}
}
// ====
// compileViaYul: also
// ----
// double42() -> 84
// doubleABC() -> 0x20, 6, "abcabc"