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A comment on How to build highly-debuggable C++ binaries. Parent comment

Re:How to build highly-debuggable C++ binaries by o11c on Tuesday July 30, 2024 @10:29AM (#41109535)
In theory. In practice, it's not as widely tested and so a lot more bugs survive.

This search is approximate both ways, but still finds a lot of examples of O3 being outright broken:

https://gcc.gnu.org/bugzilla/buglist.cgi?short_desc=O3&resol...

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Re:How to build highly-debuggable C++ binaries by mgaunard on Wednesday July 31, 2024 @04:07AM (#41117242)
Most of those bugs are about crashes during compilation or compilation being slow, and also this is 30 years worth of bugs.

Of note, most of those (few) bugs tend to be related to specific language extensions.

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