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Merge pull request #9912 from ethereum/prepare072

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Prepare release of 0.7.2.
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chriseth 2020-09-28 16:14:25 +02:00 committed by GitHub
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Changelog.md
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### 0.7.2 (unreleased)
### 0.7.2 (2020-09-28)
Important Bugfixes:
* Type Checker: Disallow two or more free functions with identical name (potentially imported and aliased) and parameter types.
Language Features:
Compiler Features:
* Export compiler-generated utility sources via standard-json or combined-json.
* SMTChecker: Keep knowledge about string literals, even through assignment, and thus support the ``.length`` property properly.
* SMTChecker: Support events and low-level logs.
* SMTChecker: Support ``revert()``.
* SMTChecker: Support shifts.
* SMTChecker: Support compound and, or, and xor operators.
* SMTChecker: Support memory allocation, e.g. ``new bytes(123)``.
* SMTChecker: Support structs.
* SMTChecker: Support ``type(T).min``, ``type(T).max``, and ``type(I).interfaceId``.
* SMTChecker: Support ``address`` type conversion with literals, e.g. ``address(0)``.
* SMTChecker: Support fixed bytes index access.
* Type Checker: Report position of first invalid UTF-8 sequence in ``unicode""`` literals.
* Type Checker: More detailed error messages why implicit conversions fail.
* Type Checker: Explain why oversized hex string literals can not be explicitly converted to a shorter ``bytesNN`` type.
* Yul Optimizer: Prune unused parameters in functions.
* Yul Optimizer: Inline into functions further down in the call graph first.
* Yul Optimizer: Try to simplify function names.
* Yul IR Generator: Report source locations related to unimplemented features.
* Optimizer: Optimize ``exp`` when base is 0, 1 or 2.
* SMTChecker: Keep knowledge about string literals, even through assignment, and thus support the ``.length`` property properly.
* SMTChecker: Support ``address`` type conversion with literals, e.g. ``address(0)``.
* SMTChecker: Support ``revert()``.
* SMTChecker: Support ``type(T).min``, ``type(T).max``, and ``type(I).interfaceId``.
* SMTChecker: Support compound and, or, and xor operators.
* SMTChecker: Support events and low-level logs.
* SMTChecker: Support fixed bytes index access.
* SMTChecker: Support memory allocation, e.g. ``new bytes(123)``.
* SMTChecker: Support shifts.
* SMTChecker: Support structs.
* Type Checker: Explain why oversized hex string literals can not be explicitly converted to a shorter ``bytesNN`` type.
* Type Checker: More detailed error messages why implicit conversions fail.
* Type Checker: Report position of first invalid UTF-8 sequence in ``unicode""`` literals.
* Yul IR Generator: Report source locations related to unimplemented features.
* Yul Optimizer: Inline into functions further down in the call graph first.
* Yul Optimizer: Prune unused parameters in functions.
* Yul Optimizer: Try to simplify function names.
Bugfixes:
* Code generator: Fix internal error on stripping dynamic types from return parameters on EVM versions without ``RETURNDATACOPY``.
* Type Checker: Add missing check against nested dynamic arrays in ABI encoding functions when ABIEncoderV2 is disabled.
* Type Checker: Disallow ``virtual`` for modifiers in libraries.
* Type Checker: Correct the error message for invalid named parameter in a call to refer to the right argument.
* Type Checker: Correct the warning for homonymous, but not shadowing declarations.
* ViewPureChecker: Prevent visibility check on constructors.
* Type Checker: Disallow ``virtual`` for modifiers in libraries.
* Type system: Fix internal error on implicit conversion of contract instance to the type of its ``super``.
* Type system: Fix internal error on implicit conversion of string literal to a calldata string.
* Type system: Fix named parameters in overloaded function and event calls being matched incorrectly if the order differs from the declaration.
* ViewPureChecker: Prevent visibility check on constructors.
### 0.7.1 (2020-09-02)

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docs/bugs_by_version.json
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"FreeFunctionRedefinition"
],
"released": "2020-09-02"
},
"0.7.2": {
"bugs": [],
"released": "2020-09-28"
}
}