g++ -std=gnu++98 -no-pie   -g -DIN_GCC     -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format -Wmissing-format-attribute -Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -fno-common  -DHAVE_CONFIG_H -static-libstdc++ -static-libgcc -Wl,--stack,12582912 -o cc1plus.exe \

      cp/cp-lang.o c-family/stub-objc.o cp/call.o cp/class.o cp/constexpr.o cp/constraint.o cp/cp-gimplify.o cp/cp-objcp-common.o cp/cp-ubsan.o cp/cvt.o cp/cxx-pretty-print.o cp/decl.o cp/decl2.o cp/dump.o cp/error.o cp/except.o cp/expr.o cp/friend.o cp/init.o cp/lambda.o cp/lex.o cp/logic.o cp/mangle.o cp/method.o cp/name-lookup.o cp/optimize.o cp/parser.o cp/pt.o cp/ptree.o cp/repo.o cp/rtti.o cp/search.o cp/semantics.o cp/tree.o cp/typeck.o cp/typeck2.o cp/vtable-class-hierarchy.o attribs.o incpath.o c-family/c-common.o c-family/c-cppbuiltin.o c-family/c-dump.o c-family/c-format.o c-family/c-gimplify.o c-family/c-indentation.o c-family/c-lex.o c-family/c-omp.o c-family/c-opts.o c-family/c-pch.o c-family/c-ppoutput.o c-family/c-pragma.o c-family/c-pretty-print.o c-family/c-semantics.o c-family/c-ada-spec.o c-family/c-ubsan.o c-family/known-headers.o c-family/c-attribs.o c-family/c-warn.o c-family/c-spellcheck.o i386-c.o winnt-cxx.o msformat-c.o default-c.o cc1plus-checksum.o libbackend.a main.o libcommon-target.a libcommon.a ../libcpp/libcpp.a ../libdecnumber/libdecnumber.a libcommon.a ../libcpp/libcpp.a -lintl -liconv ../libbacktrace/.libs/libbacktrace.a ../libiberty/libiberty.a ../libdecnumber/libdecnumber.a   -lmpc -lmpfr -lgmp   -L./../zlib -lz

/usr/lib/gcc/x86_64-pc-cygwin/11/../../../../x86_64-pc-cygwin/bin/ld: final link failed: Permission denied

/usr/lib/gcc/x86_64-pc-cygwin/11/../../../../x86_64-pc-cygwin/bin/ld: libbackend.a: error adding symbols: Permission denied

 

triggers this:

 

1d3c: trying to open directory \export\home\rmainz\tmp\winnfstest\hummingbirdnfstest1\gcc_cygwin\gcc-9.5.0\host-x86_64-pc-cygwin\gcc\tmpmultilib.28644 as a file

(1c38.181c): Access violation - code c0000005 (first chance)

First chance exceptions are reported before any exception handling.

This exception may be expected and handled.

nfsd!session_name_cache+0x26:

00007ff6`f09e4a36 488b08          mov     rcx,qword ptr [rax] ds:dddddddd`dddddddd=????????????????

0:133> kp

Child-SP          RetAddr           Call Site

000000d1`693fbfa0 00007ff6`f09e489f nfsd!session_name_cache(struct __nfs41_session * session = 0xdddddddd`dddddddd)+0x26

000000d1`693fc0a0 00007ff6`f09e4140 nfsd!nfs41_cached_getattr(struct __nfs41_session * session = 0xdddddddd`dddddddd, struct __nfs41_path_fh * file = 0x000001e2`cafe2410, struct __nfs41_file_info * i

nfo = 0x000000d1`693fc280)+0x5f

000000d1`693fc1f0 00007ff6`f0a2cf32 nfsd!handle_getattr(void * daemon_context = 0x00007ff6`f0a66080, struct __nfs41_upcall * upcall = 0x000000d1`693fee00)+0xd0

000000d1`693fdb90 00007ff6`f09fd196 nfsd!upcall_handle(void * daemon_context = 0x00007ff6`f0a66080, struct __nfs41_upcall * upcall = 0x000000d1`693fee00)+0x92

000000d1`693fdcd0 00007ffb`27e74c7c nfsd!thread_main(void * args = 0x00007ff6`f0a66080)+0x1b6

000000d1`693ffa20 00007ffb`44db7344 ucrtbased!thread_start<unsigned int (void * parameter = 0x000001e2`c3c37ab0)+0x9c

000000d1`693ffa80 00007ffb`45c026b1 KERNEL32!BaseThreadInitThunk+0x14

000000d1`693ffab0 00000000`00000000 ntdll!RtlUserThreadStart+0x21