Corrects a previous change made to the SPARC stdc bindings, and
backports PPC-related fixes. The library and language testsuite now
passes fully on powerpc64le-linux-gnu.
Fixes: PR d/90719
Fixes: PR d/94825
Reviewed-on: https://github.com/dlang/dmd/pull/11079https://github.com/dlang/druntime/pull/3078https://github.com/dlang/druntime/pull/3083
libphobos/ChangeLog:
PR d/94825
* libdruntime/Makefile.am (DRUNTIME_SOURCES_CONFIGURED): Remove
config/powerpc/switchcontext.S
* libdruntime/Makefile.in: Regenerate.
* libdruntime/config/powerpc/callwithstack.S: Remove.
* libdruntime/config/powerpc/switchcontext.S: Fix symbol name of
fiber_switchContext.
* libdruntime/core/thread.d: Disable fiber migration tests on PPC.
* testsuite/libphobos.thread/fiber_guard_page.d: Set guardPageSize
same as stackSize.
