////////////////////////////////////////////// template<int i> class A { public: static double const VAL = 0.5;
enum { COS = (int)(A::VAL) }; }; int main() { A<5>::COS; return 0; } ////////////////////////////////////////////// This returns following error: pom.cpp: In instantiation of 'A<5>': pom.cpp:15: instantiated from here pom.cpp:7: error: enumerator value for 'COS' not integer constant >$ g++ -v -save-temps pom.cpp Using built-in specs. Target: i486-linux-gnu Configured with: ../src/configure -v --enable-languages=c,c++,java,f95,objc,ada,treelang --prefix=/usr --enable-shared --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --enable-nls --program-suffix=-4.0 --enable-__cxa_atexit --enable-libstdcxx-allocator=mt --enable-clocale=gnu --enable-libstdcxx-debug --enable-java-gc=boehm --enable-java-awt=gtk --enable-gtk-cairo --with-java-home=/usr/lib/jvm/java-1.4.2-gcj-4.0-1.4.2.0/jre --enable-mpfr --disable-werror --enable-checking=release i486-linux-gnu Thread model: posix gcc version 4.0.2 /usr/lib/gcc/i486-linux-gnu/4.0.2/cc1plus -E -quiet -v -D_GNU_SOURCE pom.cpp -mtune=i486 -fpch-preprocess -o pom.ii ignoring nonexistent directory "/usr/lib/gcc/i486-linux-gnu/4.0.2/../../../../i486-linux-gnu/include" #include "..." search starts here: #include <...> search starts here: /usr/lib/gcc/i486-linux-gnu/4.0.2/../../../../include/c++/4.0.2 /usr/lib/gcc/i486-linux-gnu/4.0.2/../../../../include/c++/4.0.2/i486-linux-gnu /usr/lib/gcc/i486-linux-gnu/4.0.2/../../../../include/c++/4.0.2/backward /usr/local/include /usr/lib/gcc/i486-linux-gnu/4.0.2/include /usr/include End of search list. /usr/lib/gcc/i486-linux-gnu/4.0.2/cc1plus -fpreprocessed pom.ii -quiet -dumpbase pom.cpp -mtune=i486 -auxbase pom -version -o pom.s GNU C++ version 4.0.2 (i486-linux-gnu) compiled by GNU C version 4.0.2. GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 -- Summary: not integer constant error while casting static double const member to int in enum at compile-time Product: gcc Version: 4.0.2 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: pkgm at o2 dot pl GCC build triplet: i486-linux-gnu GCC host triplet: i486-linux-gnu GCC target triplet: i486-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25222