[Bug driver/91629] gcc-ar assumes that GCC_EXEC_PREFIX is ${bindir}, but it is ${libdir}/gcc

[joseph at codesourcery dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91629

--- Comment #2 from joseph at codesourcery dot com <joseph at codesourcery dot 
com> ---
The observation about GCC_EXEC_PREFIX is correct.