With the Xcode 2.4 release, the nan_inf_fmt.f90 testcase in gfortran.fortran-torture/execute has begun to segfault on Darwin PPC at both -m32 and -m64. The backtrace from a segfault is...
Starting program: /Users/howarth/testdir/nan_inf_fmt/a.out Reading symbols for shared libraries .++ done Program received signal EXC_BAD_ACCESS, Could not access memory. Reason: KERN_INVALID_ADDRESS at address: 0x3fffe615 0x90101fc8 in strtol_l () (gdb) bt #0 0x90101fc8 in strtol_l () #1 0x00255810 in output_float (dtp=0xbfffeb30, f=0x1808c50, value=inf) at ../../../gcc-4.2-20060928/libgfortran/io/write.c:496 #2 0x00256124 in write_float (dtp=0xbfffeb30, f=0x1808c50, source=0xa <Address 0xa out of bounds>, len=-1610603800) at ../../../gcc-4.2-20060928/libgfortran/io/write.c:912 #3 0x002507ec in formatted_transfer (dtp=0xbfffeb30, type=BT_REAL, p=0xa, kind=4, size=4, nelems=1) at ../../../gcc-4.2-20060928/libgfortran/io/transfer.c:954 #4 0x0024eac8 in *__gfortran_transfer_real (dtp=0x250314, p=0xbfffeaf8, kind=4) at ../../../gcc-4.2-20060928/libgfortran/io/transfer.c:1237 #5 0x00002a04 in MAIN__ () at nan_inf_fmt.f90:17 #6 0x00003af0 in main (argc=1073735189, argv=0x0) at ../../../gcc-4.2-20060928/libgfortran/fmain.c:18 It has been suggested on the list that this might be due to size mismatch and that the new Xcode 2.4 is exposing a latent bug in libgfortran... http://gcc.gnu.org/ml/fortran/2006-09/msg00103.html -- Summary: nan_inf_fmt.f90 segfaults on Darwin PPC starting with Xcode 2.4 Product: gcc Version: 4.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libfortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: howarth at nitro dot med dot uc dot edu GCC build triplet: powerpc-apple-darwin8 GCC host triplet: powerpc-apple-darwin8 GCC target triplet: powerpc-apple-darwin8 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29302
