29258 looks similar but is unconfirmed. Perhaps this will be straightforward to confirm.
COMMAND THAT GENERATED THE ERROR. COMPILING WITH... $ g++ -Wall -o Employee.h Employee.h -mno-cygwin Employee.h:169: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <URL:http://gcc.gnu.org/bugs.html> for instructions. CODE THAT GENERATED THE ERROR... (attached) MY g++ VERSION AND INSTALLATION DETAILS... $ g++ -v Reading specs from /usr/lib/gcc/i686-pc-cygwin/3.4.4/specs Configured with: /gcc/gcc-3.4.4/gcc-3.4.4-1/configure --verbose --prefix=/usr --exec-pre fix=/usr --sysconfdir=/etc --libdir=/usr/lib --libexecdir=/usr/lib --mandir=/usr/share/m an --infodir=/usr/share/info --enable-languages=c,ada,c++,d,f77,java,objc --enable-nls - -without-included-gettext --enable-version-specific-runtime-libs --without-x --enable-li bgcj --disable-java-awt --with-system-zlib --enable-interpreter --disable-libgcj-debug - -enable-threads=posix --enable-java-gc=boehm --disable-win32-registry --enable-sjlj-exce ptions --enable-hash-synchronization --enable-libstdcxx-debug : (reconfigured) Thread model: posix gcc version 3.4.4 (cygming special) (gdc 0.12, using dmd 0.125) MY ENVIRONMENT... Time of this report: 11/17/2006, 22:44:19 Machine name: xxxxx Operating System: Windows XP Professional (5.1, Build 2600) Service Pack 2 (2600.xpsp_sp2_gdr.050301-1519) Language: English (Regional Setting: English) System Manufacturer: IBM System Model: 2373KRU BIOS: Phoenix FirstBIOS(tm) Notebook Pro Version 2.0 for IBM ThinkPad Processor: Intel(R) Pentium(R) M processor 1.70GHz Memory: 1534MB RAM Page File: 436MB used, 2997MB available Windows Dir: C:\WINDOWS DirectX Version: DirectX 9.0c (4.09.0000.0904) DX Setup Parameters: Not found DxDiag Version: 5.03.2600.2180 32bit Unicode -- Summary: i686-pc-cygwin/3.4.4 - internal compiler error: Segmentation fault Product: gcc Version: 3.4.4 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: mtrojanovich at doubleclick dot net http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29883