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Merge pull request #9912 from ethereum/prepare072
Prepare release of 0.7.2.
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Changelog.md
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Changelog.md
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### 0.7.2 (unreleased)
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### 0.7.2 (2020-09-28)
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Important Bugfixes:
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* Type Checker: Disallow two or more free functions with identical name (potentially imported and aliased) and parameter types.
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Language Features:
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Compiler Features:
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* Export compiler-generated utility sources via standard-json or combined-json.
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* SMTChecker: Keep knowledge about string literals, even through assignment, and thus support the ``.length`` property properly.
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* SMTChecker: Support events and low-level logs.
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* SMTChecker: Support ``revert()``.
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* SMTChecker: Support shifts.
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* SMTChecker: Support compound and, or, and xor operators.
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* SMTChecker: Support memory allocation, e.g. ``new bytes(123)``.
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* SMTChecker: Support structs.
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* SMTChecker: Support ``type(T).min``, ``type(T).max``, and ``type(I).interfaceId``.
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* SMTChecker: Support ``address`` type conversion with literals, e.g. ``address(0)``.
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* SMTChecker: Support fixed bytes index access.
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* Type Checker: Report position of first invalid UTF-8 sequence in ``unicode""`` literals.
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* Type Checker: More detailed error messages why implicit conversions fail.
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* Type Checker: Explain why oversized hex string literals can not be explicitly converted to a shorter ``bytesNN`` type.
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* Yul Optimizer: Prune unused parameters in functions.
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* Yul Optimizer: Inline into functions further down in the call graph first.
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* Yul Optimizer: Try to simplify function names.
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* Yul IR Generator: Report source locations related to unimplemented features.
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* Optimizer: Optimize ``exp`` when base is 0, 1 or 2.
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* SMTChecker: Keep knowledge about string literals, even through assignment, and thus support the ``.length`` property properly.
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* SMTChecker: Support ``address`` type conversion with literals, e.g. ``address(0)``.
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* SMTChecker: Support ``revert()``.
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* SMTChecker: Support ``type(T).min``, ``type(T).max``, and ``type(I).interfaceId``.
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* SMTChecker: Support compound and, or, and xor operators.
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* SMTChecker: Support events and low-level logs.
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* SMTChecker: Support fixed bytes index access.
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* SMTChecker: Support memory allocation, e.g. ``new bytes(123)``.
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* SMTChecker: Support shifts.
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* SMTChecker: Support structs.
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* Type Checker: Explain why oversized hex string literals can not be explicitly converted to a shorter ``bytesNN`` type.
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* Type Checker: More detailed error messages why implicit conversions fail.
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* Type Checker: Report position of first invalid UTF-8 sequence in ``unicode""`` literals.
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* Yul IR Generator: Report source locations related to unimplemented features.
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* Yul Optimizer: Inline into functions further down in the call graph first.
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* Yul Optimizer: Prune unused parameters in functions.
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* Yul Optimizer: Try to simplify function names.
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Bugfixes:
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* Code generator: Fix internal error on stripping dynamic types from return parameters on EVM versions without ``RETURNDATACOPY``.
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* Type Checker: Add missing check against nested dynamic arrays in ABI encoding functions when ABIEncoderV2 is disabled.
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* Type Checker: Disallow ``virtual`` for modifiers in libraries.
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* Type Checker: Correct the error message for invalid named parameter in a call to refer to the right argument.
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* Type Checker: Correct the warning for homonymous, but not shadowing declarations.
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* ViewPureChecker: Prevent visibility check on constructors.
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* Type Checker: Disallow ``virtual`` for modifiers in libraries.
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* Type system: Fix internal error on implicit conversion of contract instance to the type of its ``super``.
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* Type system: Fix internal error on implicit conversion of string literal to a calldata string.
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* Type system: Fix named parameters in overloaded function and event calls being matched incorrectly if the order differs from the declaration.
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* ViewPureChecker: Prevent visibility check on constructors.
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### 0.7.1 (2020-09-02)
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"FreeFunctionRedefinition"
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],
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"released": "2020-09-02"
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},
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"0.7.2": {
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"bugs": [],
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"released": "2020-09-28"
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}
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}
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