I don't see how to include the requested *.i* file with this web page. So, you just get the source and compilation stdout. Here is the program that does what seems to be the wrong thing: ----- // Somehow a function overload is visible that should not have been seen at // the point of instantiation. // Reproduce bug with: // % /usr/bin/g++ -v -save-temps -ansi -pedantic -Wall temp1.cpp // % ./a.out // int // The output should be: // double
#include <iostream> template<class T> void g(T a) { h(a); } void h(double) { std::cout << "double" << std::endl; } int main(int argc, char* argv[]) { g(1); return 0; } void h(int) { std::cout << "int" << std::endl; } ----- Here is the stdout from compilation (the same error happens with 4.1.3 also): Using built-in specs. Target: x86_64-linux-gnu Configured with: ../src/configure -v --enable-languages=c,c++,fortran,objc,obj-c++,treelang --prefix=/usr --enable-shared --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --enable-nls --with-gxx-include-dir=/usr/include/c++/4.2 --program-suffix=-4.2 --enable-clocale=gnu --enable-libstdcxx-debug --enable-objc-gc --enable-mpfr --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu Thread model: posix gcc version 4.2.4 (Ubuntu 4.2.4-1ubuntu3) /usr/lib/gcc/x86_64-linux-gnu/4.2.4/cc1plus -E -quiet -v -D_GNU_SOURCE temp1.cpp -mtune=generic -ansi -pedantic -Wall -fpch-preprocess -o temp1.ii ignoring nonexistent directory "/usr/local/include/x86_64-linux-gnu" ignoring nonexistent directory "/usr/lib/gcc/x86_64-linux-gnu/4.2.4/../../../../x86_64-linux-gnu/include" ignoring nonexistent directory "/usr/include/x86_64-linux-gnu" #include "..." search starts here: #include <...> search starts here: /usr/include/c++/4.2 /usr/include/c++/4.2/x86_64-linux-gnu /usr/include/c++/4.2/backward /usr/local/include /usr/lib/gcc/x86_64-linux-gnu/4.2.4/include /usr/include End of search list. /usr/lib/gcc/x86_64-linux-gnu/4.2.4/cc1plus -fpreprocessed temp1.ii -quiet -dumpbase temp1.cpp -mtune=generic -ansi -auxbase temp1 -pedantic -Wall -ansi -version -fstack-protector -fstack-protector -o temp1.s GNU C++ version 4.2.4 (Ubuntu 4.2.4-1ubuntu3) (x86_64-linux-gnu) compiled by GNU C version 4.2.4 (Ubuntu 4.2.4-1ubuntu3). GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 Compiler executable checksum: 2328a9860f8ee3842b3eeb9e852e4412 as --traditional-format -V -Qy -o temp1.o temp1.s GNU assembler version 2.18.0 (x86_64-linux-gnu) using BFD version (GNU Binutils for Ubuntu) 2.18.0.20080103 /usr/lib/gcc/x86_64-linux-gnu/4.2.4/collect2 --eh-frame-hdr -m elf_x86_64 --hash-style=both -dynamic-linker /lib64/ld-linux-x86-64.so.2 /usr/lib/gcc/x86_64-linux-gnu/4.2.4/../../../../lib/crt1.o /usr/lib/gcc/x86_64-linux-gnu/4.2.4/../../../../lib/crti.o /usr/lib/gcc/x86_64-linux-gnu/4.2.4/crtbegin.o -L/usr/lib/gcc/x86_64-linux-gnu/4.2.4 -L/usr/lib/gcc/x86_64-linux-gnu/4.2.4 -L/usr/lib/gcc/x86_64-linux-gnu/4.2.4/../../../../lib -L/lib/../lib -L/usr/lib/../lib -L/usr/lib/gcc/x86_64-linux-gnu/4.2.4/../../.. temp1.o -lstdc++ -lm -lgcc_s -lgcc -lc -lgcc_s -lgcc /usr/lib/gcc/x86_64-linux-gnu/4.2.4/crtend.o /usr/lib/gcc/x86_64-linux-gnu/4.2.4/../../../../lib/crtn.o -- Summary: template sees an overload that should not be visible at point of instantiation Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: dougrm at sprynet dot com http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38762