https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97594
--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> --- (In reply to Martin Liška from comment #1) > Mine, I see a strange error: > > $ Program received signal SIGBUS, Bus error. > 0x00003fffb7ceddbc in __GI__IO_link_in () from /lib64/libc.so.6 > Missing separate debuginfos, use: debuginfo-install > glibc-2.17-307.el7.1.ppc64le > (gdb) bt > #0 0x00003fffb7ceddbc in __GI__IO_link_in () from /lib64/libc.so.6 > #1 0x00003fffb7cebe58 in _IO_new_file_init_internal () from /lib64/libc.so.6 > #2 0x00003fffb7cd9dcc in fdopen@@GLIBC_2.17 () from /lib64/libc.so.6 > #3 0x0000000010002928 in __gcov_open (name=0x100204f0 <memory+8> > "/home/marxin/Programming/gcc/objdir/gcc/testsuite/gcc35/pr97461.gcda") at > ../../../libgcc/../gcc/gcov-io.c:171 > #4 0x0000000010002db8 in gcov_exit_open_gcda_file (gi_ptr=0x10020408, > gi_ptr=0x10020408, gf=<synthetic pointer>) at > ../../../libgcc/libgcov-driver-system.c:312 > #5 dump_one_gcov (run_max=<optimized out>, run_counted=<optimized out>, > gf=<synthetic pointer>, gi_ptr=0x10020408) at > ../../../libgcc/libgcov-driver.c:478 > #6 gcov_do_dump (list=<optimized out>, run_counted=<optimized out>) at > ../../../libgcc/libgcov-driver.c:555 > #7 0x00000000100047d8 in __gcov_dump_one (root=0x10040590 <__gcov_root>) at > ../../../libgcc/libgcov-driver.c:578 > #8 __gcov_dump_one (root=0x10040590 <__gcov_root>) at > ../../../libgcc/libgcov-driver.c:573 > #9 __gcov_exit () at ../../../libgcc/libgcov-driver.c:600 > #10 0x0000000010000e18 in _sub_D_00100_1 () > #11 0x00003fffb7fc7c68 in _dl_fini () from /lib64/ld64.so.2 > #12 0x00003fffb7ca4a34 in __run_exit_handlers () from /lib64/libc.so.6 > #13 0x00003fffb7ca4a84 in exit () from /lib64/libc.so.6 > #14 0x00003fffb7c85308 in generic_start_main.isra.0 () from /lib64/libc.so.6 > #15 0x00003fffb7c854f4 in __libc_start_main () from /lib64/libc.so.6 > #16 0x0000000000000000 in ?? () All right, so the test-case overloads malloc and returns a memory that is a static buffer. For some reason, it leads to SEGBUS. Do Power people know what's causing that?
