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gcc trunk build ice i386_pe_seh_unwind_emit, cygwin64
- From: Tim Prince <tprince818 dot tp at gmail dot com>
- To: gcc-help <gcc-help at gcc dot gnu dot org>
- Date: Mon, 12 Oct 2015 16:46:24 -0400
- Subject: gcc trunk build ice i386_pe_seh_unwind_emit, cygwin64
- Authentication-results: sourceware.org; auth=none
configured with
--prefix=/usr/local/gcc6.0 --enable-languages='c c++ fortran'
--enable-libgomp --enable-threads=posix --with-dwarf2
--without-libiconv-prefix --without-libintl-prefix --with-system-zlib
--disable-werror --without-cloog --without-isl
resulting in
../../../libgcc/libgcc2.c: In function â__powitf2â:
../../../libgcc/libgcc2.c:1851:1: internal compiler error: in
i386_pe_seh_unwind_emit, at config/i386/winnt.c:1137
}
^
../../../libgcc/libgcc2.c:1851:1: internal compiler error: Bus error
mmap: No such device
The reference in winnt.c shows:
case REG_CFA_EXPRESSION:
/* Only emitted with DRAP, which we disable. */
gcc_unreachable ();
So it seems there is some unsupported combination here now that more
in-line expansion of powers has been added. Does it require a different
setting for exception handling? I didn't think seh or tf mode were
supported.