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A comment on On C-optimizing compilers removing code that has undefined behavior. Parent comment

Re:On C-optimizing compilers removing code that has undefine... by vyodaiken on Tuesday June 20, 2017 @10:05PM (#14600112)
They are improving performance in what way? My compiler: read input; emit nop, improves performance too.
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Re:On C-optimizing compilers removing code that has undefine... by mcherm on Monday June 26, 2017 @08:57AM (#14636376)
If your program ALSO compiles VALID programs correctly, and somehow those are faster because it replaces INVALID programs with a nop, that sounds great!
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