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Checking Clang 11 with PVS-Studio
Every now and then, we have to write articles about how we've checked another fresh version of some compiler. That's not really much fun. However, as practice shows, if we stop doing that for a while, folks start doubting whether PVS-Studio is worth its title of a good catcher of bugs and vulnerabilities. What if the new compiler can do that too? Sure, compilers evolve, but so does PVS-Studio – and it proves, again and again, its ability to catch bugs even in high-quality projects such as compilers.

PVS-Studio static code & Compilers
We have classified our blog posts in several topics. For example, you can learn about what the PVS-Studio static code analyzer is able to find in compilers.

Not so long ago, a landmark event has happened: PVS-Studio appeared in Compiler Explorer! Now you can quickly and easily analyze the code for errors right on the godbolt.org site (Compiler Explorer). This feature opens up a large number of new possibilities – from quenching curiosity about the analyzer's abilities to being able to quickly share check results with a friend. This article will cover the topic on how to use these features. Caution – GIFs!

The GCC compiler is written with copious use of macros. Another check of the GCC code using PVS-Studio once again confirms the opinion of our team that macros are evil in the flesh. Not only does the static analyzer struggle with reviewing such code, but also a developer. GCC developers are certainly used to the project and are well versed in it. Nonetheless, it is very difficult to understand something on the third hand. Actually, due to macros, it was not possible to fully perform code checking. However, the PVS-Studio analyzer, as always, showed that it can find errors even in compilers.

Checking the Ark Compiler Recently Made Open-Source by Huawei
During the summer of 2019, Huawei gave a series of presentations announcing the Ark Compiler technology. The company claims that this open-source project will help developers make the Android system and third-party software much more fluent and responsive. By tradition, every new promising open-source project goes through PVS-Studio for us to evaluate the quality of its code.

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