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compiler panic with mutating code inside non-mutable function #3554

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charles-cooper opened this issue Aug 6, 2023 · 2 comments
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compiler panic with mutating code inside non-mutable function #3554

charles-cooper opened this issue Aug 6, 2023 · 2 comments
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bug - type 0 compiler halts or panics instead of generating code

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@charles-cooper
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Version Information

  • vyper Version (output of vyper --version): 0.3.9
  • OS: osx/linux/win
  • Python Version (output of python --version):
    repro:
# @version 0.3.9

from vyper.interfaces import ERC20

@external
@view
def topup(amount: uint256):
    assert self.token.transferFrom(msg.sender, self, amount)
@charles-cooper charles-cooper added the bug - type 0 compiler halts or panics instead of generating code label Aug 6, 2023
@tserg tserg mentioned this issue Aug 7, 2023
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@trocher
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trocher commented Aug 7, 2023

Might overlap with #3161

@charles-cooper charles-cooper mentioned this issue Jan 2, 2024
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@charles-cooper charles-cooper mentioned this issue Feb 7, 2024
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@charles-cooper
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fixed in #3729

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fix: guard against mutating code in non-mutable functions tserg/vyper
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@charles-cooper @trocher