A Guide to Undefined Behavior in C and C++

Re:A Guide to Undefined Behavior in C and C++ by fluoridation on Thursday August 17, 2023 @07:28PM (#37169671)

A reasonable compiler would let you turn off a specific warning for a section of code.

[ Parent | on HN ]

Re:A Guide to Undefined Behavior in C and C++ by torstenvl on Thursday August 17, 2023 @11:54PM (#37171233)

They pretty much all do.

#pragma clang diagnostic push

#pragma clang diagnostic ignored "-Wwhatever"

// code

#pragma clang diagnostic pop

[ Parent | on HN ]

Re:A Guide to Undefined Behavior in C and C++ by fluoridation on Friday August 18, 2023 @03:05AM (#37172226)

I was going to comment that GCC doesn't, but it seems it was added as some point since the last time I checked. I know at one time GCC had as a policy not to allow doing that.

[ Parent | on HN ]

Re:A Guide to Undefined Behavior in C and C++ by torstenvl on Friday August 18, 2023 @02:43PM (#37180230)

Here's an example:

https://pastebin.com/raw/fH0Lj2Zb

[ Parent | on HN ]