The latest compiler build from CVS sources on 07-28-2005 segfaults while building libgcc for arm-softfloat target with -O2,O2,Os opt levels. The error does not happen when -O1 is used
The program compiles fine when I use my host compiler which is gcc version 4.0.1 20050727 (Red Hat 4.0.1-5) error log ================================ __do_global_ctors_aux Analyzing compilation unitPerforming intraprocedural optimizations Assembling functions: __do_global_ctors_aux /home/kraj/a.c: In function '__do_global_ctors_aux': /home/kraj/a.c:8: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <URL:http://gcc.gnu.org/bugs.html> for instructions. ==================================== How to reporoduce gcc -O2 -c testcase.c testcase.c ==================================== typedef void (*func_ptr) (void); static func_ptr __CTOR_END__[1] = {(func_ptr) 0 }; static void __attribute__((used)) __do_global_ctors_aux (void) { func_ptr *p; for (p = __CTOR_END__ - 1; *p != (func_ptr) -1; p--) (*p) (); } ======================================================= -- Summary: ICE on valid code while building libgcc Product: gcc Version: 4.1.0 Status: UNCONFIRMED Severity: normal Priority: P2 Component: tree-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: raj dot khem at gmail dot com CC: gcc-bugs at gcc dot gnu dot org GCC host triplet: i686-host_pc-linux-gnu GCC target triplet: arm-softfloat-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23117
