------- Comment #8 from dje at gcc dot gnu dot org 2008-09-14 01:45 ------- This starts when collecting a cgraph node:
#345 0x10049f1c in gt_ggc_mx_cgraph_node (x_p=0x31b4fa00) at gtype-desc.c:171 #346 0x10053290 in gt_ggc_m_P11cgraph_node4htab (x_p=0x300fba00) at gtype-desc.c:2065 #347 0x10005c00 in ggc_mark_roots () at /farm/dje/src/src/gcc/ggc-common.c:107 #348 0x1003063c in ggc_collect () at /farm/dje/src/src/gcc/ggc-page.c:1941 #349 0x10197848 in execute_todo (flags=2) at /farm/dje/src/src/gcc/passes.c:1047 #350 0x10197b88 in execute_one_pass (pass=0x2002dd80) at /farm/dje/src/src/gcc/passes.c:1301 #351 0x10197df8 in execute_pass_list (pass=0x2002dd80) at /farm/dje/src/src/gcc/passes.c:1327 #352 0x10342018 in tree_rest_of_compilation (fndecl=0x30d6bf80) at /farm/dje/src/src/gcc/tree-optimize.c:418 #353 0x10414c90 in cgraph_expand_function (node=0x30daf700) at /farm/dje/src/src/gcc/cgraphunit.c:1038 and ends up with pointers to garbage collected data: #1 0x1002ecb0 in ggc_set_mark (p=0xa5a5a5a5) at /farm/dje/src/src/gcc/ggc-page.c:1319 #2 0x103214b4 in gt_ggc_mx_eh_status (x_p=0xa5a5a5a5) at ./gt-except.h:84 #3 0x1004c5f4 in gt_ggc_mx_function (x_p=0x301631b8) at gtype-desc.c:690 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37057