https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65177
--- Comment #3 from Sebastian Pop <spop at gcc dot gnu.org> --- The miscompile happens when compiling src/generic_optacc.c: with -fdbg-cnt=registered_jump_thread:167 it passes, and with -fdbg-cnt=registered_jump_thread:168 it segfaults. The difference is: --- /tmp/167 2015-02-23 17:46:45.061408277 +0100 +++ /tmp/168 2015-02-23 17:46:38.373407907 +0100 @@ -1,4 +1,4 @@ -dbg_cnt 'registered_jump_thread' set to 167 +dbg_cnt 'registered_jump_thread' set to 168 Registering jump thread: (33, 35) (35, 39) (39, 41) Registering jump thread: (44, 46) (46, 50) (50, 52) Registering jump thread: (68, 70) (70, 74) (74, 76) @@ -182,6 +182,8 @@ Registering FSM jump thread: (60, 64) (64, 66) (66, 69) (69, 96) (96, 95) (95, 27) Registering FSM jump thread: (61, 64) (64, 66) (66, 69) (69, 96) (96, 95) (95, 27) Registering FSM jump thread: (58, 64) (64, 66) (66, 69) (69, 96) (96, 95) (95, 26) + Registering FSM jump thread: (13, 53) (53, 55) (55, 64) (64, 66) (66, 67) (67, 68) (68, 69) (69, 96) (96, 95) (95, 5) generating code for: Registering FSM jump thread: (60, 64) (64, 66) (66, 69) (69, 96) (96, 95) (95, 27) +generating code for: Registering FSM jump thread: (13, 53) (53, 55) (55, 64) (64, 66) (66, 67) (67, 68) (68, 69) (69, 96) (96, 95) (95, 5) generating code for: Registering FSM jump thread: (58, 64) (64, 66) (66, 69) (69, 96) (96, 95) (95, 26) generating code for: Registering FSM jump thread: (61, 64) (64, 66) (66, 69) (69, 96) (96, 95) (95, 27)
