Commits merged from druntime. Fix struct tls_index definition on x32 https://github.com/dlang/druntime/pull/2354 Update SectionGroup signatures to match on all targets https://github.com/dlang/druntime/pull/2401 Fix issue 19128 - argument to alloca may be too large https://github.com/dlang/druntime/pull/2409 Define some common filesystem limits in core.stdc.limits https://github.com/dlang/druntime/pull/2460 Use version Darwin instead of OSX in core.sys.posix.aio https://github.com/dlang/druntime/pull/2470 Commits merged from phobos. Don't run HardFloat tests on SoftFloat systems https://github.com/dlang/phobos/pull/5358 Remove reliance on stdin, stdout, stderr being aliasable https://github.com/dlang/phobos/pull/5718 Solaris: add import clock_gettime to currStdTime https://github.com/dlang/phobos/pull/5807 Don't print debug messages when building unittests https://github.com/dlang/phobos/pull/6827 Add HPPA support to phobos Fixes https://gcc.gnu.org/PR89054 https://github.com/dlang/phobos/pull/6836 From-SVN: r268293
