Re:Undefined behavior in C is a reading error
by leosarev on Friday May 21, 2021 @01:33PM
(#27237148)
If p is statically null, it should emit compile time error.
If not, it should emit machine instruction to deference p.
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Re:Undefined behavior in C is a reading error
by tom_mellior on Friday May 21, 2021 @03:42PM
(#27238944)
In all of the examples above it will emit a machine instruction to dereference p. What your grandparent is complaining about is that it will later remove an "if (!p)" test.