http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54484
Bug #: 54484 Summary: r190927 breaks bootstrap with clang compiler Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap AssignedTo: unassig...@gcc.gnu.org ReportedBy: howa...@nitro.med.uc.edu r190927 | dnovillo | 2012-09-04 09:22:54 -0400 (Tue, 04 Sep 2012) | 97 lines Make all VEC_* functions, member functions of vec_t. ,,, breaks the bootstrap of gcc trunk using the clang++ compiler. The failures are of the form... # clang++ -c -g -DIN_GCC -fno-exceptions -fno-rtti -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -fno-common -DHAVE_CONFIG_H -DGENERATOR_FILE -I. -Ibuild -I../../gcc-4.8-20120904/gcc -I../../gcc-4.8-20120904/gcc/build -I../../gcc-4.8-20120904/gcc/../include -I../../gcc-4.8-20120904/gcc/../libcpp/include -I/sw/include -I/sw/include -I../../gcc-4.8-20120904/gcc/../libdecnumber -I../../gcc-4.8-20120904/gcc/../libdecnumber/dpd -I../libdecnumber -DCLOOG_INT_GMP -I/sw/include -I/sw/include -I/sw/include \ -o build/print-rtl.o ../../gcc-4.8-20120904/gcc/print-rtl.c? -o build/print-rtl.o ../../gcc-4.8-20120904/gcc/print-rtl.c clang: warning: treating 'c' input as 'c++' when in C++ mode, this behavior is deprecated In file included from ../../gcc-4.8-20120904/gcc/print-rtl.c:33: In file included from ../../gcc-4.8-20120904/gcc/rtl.h:29: ../../gcc-4.8-20120904/gcc/vec.h:619:42: error: default arguments cannot be added to an out-of-line definition of a member of a class template vec_t<T>::embedded_init (int nelems, int active = 0) ^ ~ ../../gcc-4.8-20120904/gcc/vec.h:1078:17: warning: unused parameter 'lessthan_' [-Wunused-parameter] bool (*lessthan_)(const T *, const T *)) const ^ 1 warning and 1 error generated. # clang++ -c -g -DIN_GCC -fno-exceptions -fno-rtti -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -fno-common -DHAVE_CONFIG_H -DGENERATOR_FILE -I. -Ibuild -I../../gcc-4.8-20120904/gcc -I../../gcc-4.8-20120904/gcc/build -I../../gcc-4.8-20120904/gcc/../include -I../../gcc-4.8-20120904/gcc/../libcpp/include -I/sw/include -I/sw/include -I../../gcc-4.8-20120904/gcc/../libdecnumber -I../../gcc-4.8-20120904/gcc/../libdecnumber/dpd -I../libdecnumber -DCLOOG_INT_GMP -I/sw/include -I/sw/include -I/sw/include \ -o build/gensupport.o ../../gcc-4.8-20120904/gcc/gensupport.c? -o build/gensupport.o ../../gcc-4.8-20120904/gcc/gensupport.c clang: warning: treating 'c' input as 'c++' when in C++ mode, this behavior is deprecated In file included from ../../gcc-4.8-20120904/gcc/gensupport.c:25: In file included from ../../gcc-4.8-20120904/gcc/rtl.h:29: ../../gcc-4.8-20120904/gcc/vec.h:619:42: error: default arguments cannot be added to an out-of-line definition of a member of a class template vec_t<T>::embedded_init (int nelems, int active = 0) ^ ~ ../../gcc-4.8-20120904/gcc/vec.h:1078:17: warning: unused parameter 'lessthan_' [-Wunused-parameter] bool (*lessthan_)(const T *, const T *)) const ^ 1 warning and 1 error generated. # clang++ -c -g -DIN_GCC -fno-exceptions -fno-rtti -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -fno-common -DHAVE_CONFIG_H -DGENERATOR_FILE -I. -Ibuild -I../../gcc-4.8-20120904/gcc -I../../gcc-4.8-20120904/gcc/build -I../../gcc-4.8-20120904/gcc/../include -I../../gcc-4.8-20120904/gcc/../libcpp/include -I/sw/include -I/sw/include -I../../gcc-4.8-20120904/gcc/../libdecnumber -I../../gcc-4.8-20120904/gcc/../libdecnumber/dpd -I../libdecnumber -DCLOOG_INT_GMP -I/sw/include -I/sw/include -I/sw/include \ -o build/read-rtl.o ../../gcc-4.8-20120904/gcc/read-rtl.c? -o build/read-rtl.o ../../gcc-4.8-20120904/gcc/read-rtl.c clang: warning: treating 'c' input as 'c++' when in C++ mode, this behavior is deprecated In file included from ../../gcc-4.8-20120904/gcc/read-rtl.c:30: In file included from ../../gcc-4.8-20120904/gcc/rtl.h:29: ../../gcc-4.8-20120904/gcc/vec.h:619:42: error: default arguments cannot be added to an out-of-line definition of a member of a class template vec_t<T>::embedded_init (int nelems, int active = 0) ^ ~ ../../gcc-4.8-20120904/gcc/vec.h:1078:17: warning: unused parameter 'lessthan_' [-Wunused-parameter] bool (*lessthan_)(const T *, const T *)) const ^ 1 warning and 1 error generated.