[Bug c++/77858] std::polar throws an exception if rho is negative

[holger.seelig at yahoo dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77858

--- Comment #3 from Holger Seelig <holger.seelig at yahoo dot de> ---
Thanks for your response I have looked into c++config.h and figured out that 
__glibcxx_assert depends on the definition of_GLIBCXX_PARALLEL, that I have
defined. Probably better for me not to use this definition.

Thanks in advance,
Holger