g++ failed to compile code "dVolume *= 1 + pow(10.0, -5.0);", it output such error: ----------------- E:\code\wxWidgets-2.8.8\build\msw>mingw32-make -f makefile.gcc CC="e:\code\targe t\bin\gcc.exe" CXX="e:\code\target\bin\g++.exe" if not exist ..\..\lib\gcc_lib\mswd mkdir ..\..\lib\gcc_lib\mswd e:\code\target\bin\g++.exe -c -o gcc_mswd\medialib_mediactrl_am.o -g -O0 -mthrea ds -DHAVE_W32API_H -D__WXMSW__ -D__WXDEBUG__ -I..\..\lib\gcc_lib\mswd -I ..\..\include -W -Wall -I..\..\src\tiff -I..\..\src\jpeg -I..\..\src\png -I..\.. \src\zlib -I..\..\src\regex -I..\..\src\expat\lib -Wno-ctor-dtor-privacy -MT gcc_mswd\medialib_mediactrl_am.o -MFgcc_mswd\medialib_mediactrl_am.o.d -MD ../.. /src/msw/mediactrl_am.cpp ../../src/msw/mediactrl_am.cpp: In member function 'virtual double wxAMMediaBack end::GetVolume()': ../../src/msw/mediactrl_am.cpp:1974: internal compiler error: Segmentation fault
Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. mingw32-make: *** [gcc_mswd\medialib_mediactrl_am.o] Error 1 --------------------- The code cause error is : dVolume *= 1 - pow(10.0, -5.0); If I change it to the following, it can be compiled ok : double tmp = 10.0; dVolume *= 1 - pow(tmp, -5.0); the source code is from wxWidgets-2.8.8/src/msw/mediactrl_am.cpp the gcc is from svn trunk 2008-08-14, build with mingw-w64. -- Summary: g++ failed to compile code "dVolume *= 1 + pow(10.0, - 5.0);" Product: gcc Version: 4.4.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: drangon dot mail at gmail dot com GCC build triplet: x86_64-redhat-linux-gnu GCC host triplet: x86_64-pc-mingw32 GCC target triplet: x86_64-pc-mingw32 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37120
