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Merge pull request #10127 from ethereum/fixIceSmtBitwise

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[SMTChecker] Fix ICE when using >>>
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Leonardo 2020-10-28 09:28:18 +00:00 committed by GitHub
commit 07c454949f
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2 changed files with 12 additions and 1 deletions
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3
libsolidity/formal/SMTEncoder.cpp
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@ -1653,7 +1653,8 @@ smtutil::Expression SMTEncoder::bitwiseOperation(
result = bvLeft << bvRight;
break;
case Token::SHR:
solAssert(false, "");
result = bvLeft >> bvRight;
break;
case Token::SAR:
result = isSigned ?
smtutil::Expression::ashr(bvLeft, bvRight) :

10
test/libsolidity/smtCheckerTests/operators/shifts/shr_unused.sol Normal file
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@ -0,0 +1,10 @@
pragma experimental SMTChecker;
contract C {
function f() public pure {
fixed x;
assert(x >>> 6 == 0);
}
}
// ----
// UnimplementedFeatureError: Not yet implemented - FixedPointType.