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Merge pull request #993 from chriseth/fixshacrash

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Guard encoding crashes with assertions.
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chriseth 2016-09-05 18:09:32 +02:00 committed by GitHub
commit be6a5f44d7
2 changed files with 9 additions and 0 deletions
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1
Changelog.md
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@ -39,6 +39,7 @@ Bugfixes:
* JSON AST: nodes were added at wrong parent
* Why3 translator: crash fix for exponentiation
* Type Checker: Fallback function cannot return data anymore.
* Code Generator: Fix crash when sha3() was used on unsupported types.
Lots of changes to the documentation mainly by voluntary external contributors.

8
libsolidity/codegen/CompilerUtils.cpp
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@ -160,7 +160,15 @@ void CompilerUtils::encodeToMemory(
TypePointers targetTypes = _targetTypes.empty() ? _givenTypes : _targetTypes;
solAssert(targetTypes.size() == _givenTypes.size(), "");
for (TypePointer& t: targetTypes)
{
solAssert(
t->mobileType() &&
t->mobileType()->interfaceType(_encodeAsLibraryTypes) &&
t->mobileType()->interfaceType(_encodeAsLibraryTypes)->encodingType(),
"Encoding type \"" + t->toString() + "\" not yet implemented."
);
t = t->mobileType()->interfaceType(_encodeAsLibraryTypes)->encodingType();
}
// Stack during operation:
// <v1> <v2> ... <vn> <mem_start> <dyn_head_1> ... <dyn_head_r> <end_of_mem>