Reagan Little 74392900d5 fix(libc): unwind guest exceptions through Windows DLL frames ... The Windows unwinder stopped at the first frame of a module without the project's .ehmeta or .ehfram tables, so an exception could not cross libstdc++-6.dll and libwinpthread-1.dll (std::call_once through pthread_once) or system DLLs. For such a frame it now looks up the function's PE unwind data with RtlLookupFunctionEntry and takes the caller's registers, including the nonvolatile rsi, rdi and xmm6-xmm15, from RtlVirtualUnwind. A frame whose unwind data has an exception or termination handler still stops the walk, since those handlers are not run. windows_exceptions gets back the std::call_once case of #1423. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>		2026-10-12 09:42:51 -04:00
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dev	fix(libc): unwind guest exceptions through Windows DLL frames	2026-10-12 09:42:51 -04:00
user	Merge pull request #4106 from fma-rc/feat/agc-present-mode	2026-10-12 23:53:46 +13:00