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authorchriseth <chris@ethereum.org>2018-09-04 22:51:22 +0800
committerchriseth <chris@ethereum.org>2018-09-10 18:47:46 +0800
commit120438c0cf7abc506ca90221bafa2a9cbbb12994 (patch)
treec3ecf5e0ded7911f383a4f1e6c53a106c23099d8 /libsolidity/codegen
parent7118f5397485d42f38e66e98b163d7396e373a4e (diff)
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Always perform cleanup for EXP.
Diffstat (limited to 'libsolidity/codegen')
-rw-r--r--libsolidity/codegen/ExpressionCompiler.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/libsolidity/codegen/ExpressionCompiler.cpp b/libsolidity/codegen/ExpressionCompiler.cpp
index 4150bc11..45e58bd0 100644
--- a/libsolidity/codegen/ExpressionCompiler.cpp
+++ b/libsolidity/codegen/ExpressionCompiler.cpp
@@ -2138,7 +2138,9 @@ bool ExpressionCompiler::cleanupNeededForOp(Type::Category _type, Token::Value _
{
if (Token::isCompareOp(_op) || Token::isShiftOp(_op))
return true;
- else if (_type == Type::Category::Integer && (_op == Token::Div || _op == Token::Mod))
+ else if (_type == Type::Category::Integer && (_op == Token::Div || _op == Token::Mod || _op == Token::Exp))
+ // We need cleanup for EXP because 0**0 == 1, but 0**0x100 == 0
+ // It would suffice to clean the exponent, though.
return true;
else
return false;