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472fbb8b97
Adding default winvar 'PATH=C:\cygwin64\binZ' to an environment that is already allocated for 'SYSTEMROOT=ZWINDIR=Z', we need to count that trailing (Z)ero as well. Otherwise we trigger this assertion failure: $ /bin/env -i SYSTEMROOT= WINDIR= /bin/env assertion "(s - envblock) <= tl" failed: file "/home/corinna/src/cygwin/cygwin-3.0.7/cygwin-3.0.7-1.x86_64/src/newlib-cygwin/winsup/cygwin/environ.cc", line 1302, function: char** build_env(const char* const*, WCHAR*&, int&, bool, HANDLE) Aborted (core dumped)
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