Hi, the attached program crashes at runtime when compiled *without* optimization:
% gfc -g gfcbug72.f90 -fbounds-check -fbacktrace -O0 && ./a.out before construct_temp, size (temp) = 2 Program received signal 11 (SIGSEGV): Segmentation fault. Backtrace for this error: + /lib/libc.so.6 [0x4007cbf8] + function __gfcbug72_MOD_setup (0x8049CA4) at line 23 of file gfcbug72.f90 + in the main program at line 40 of file gfcbug72.f90 + /lib/libc.so.6(__libc_start_main+0xce) [0x40068d3e] -- Summary: Runtime segfault with nested derived types with -O0 Product: gcc Version: 4.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: anlauf at gmx dot de GCC host triplet: i686-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33554