https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65521
Bug ID: 65521 Summary: [5 Regression] nondeterministic -fcompare-debug failures Product: gcc Version: 5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: debug Assignee: unassigned at gcc dot gnu.org Reporter: trippels at gcc dot gnu.org Host: powerpc64le-unknown-linux-gnu Target: powerpc64le-unknown-linux-gnu Build: powerpc64le-unknown-linux-gnu on ppc64le I get nondeterministic -fcompare-debug failures during Linux kernel build, e.g: % gcc -c -fcompare-debug -std=gnu89 -O2 ipmi_watchdog.i gcc: error: ipmi_watchdog.i: -fcompare-debug failure % gcc -c -fcompare-debug -std=gnu89 -O2 ipmi_watchdog.i % gcc -c -fcompare-debug -std=gnu89 -O2 ipmi_watchdog.i gcc: error: ipmi_watchdog.i: -fcompare-debug failure % diff -u ipmi_watchdog.gkd ipmi_watchdog.gk.gkd --- ipmi_watchdog.gkd 2015-03-23 07:51:04.510095107 +0000 +++ ipmi_watchdog.gk.gkd 2015-03-23 07:51:05.100104842 +0000 @@ -90,7 +90,7 @@ Declarations used by panic_smi_free, sorted by DECL_UID: 0: static void panic_recv_free (struct ipmi_recv_msg *); -;; Function panic_smi_free (panic_smi_free, funcdef_no=1412, cgraph_uid=1422, symbol_order=1513) +;; Function panic_smi_free (panic_smi_free, funcdef_no=1408, cgraph_uid=1422, symbol_order=1513) (note # 0 0 NOTE_INSN_DELETED) (note # 0 0 [bb 2] NOTE_INSN_BASIC_BLOCK) @@ -531,7 +531,7 @@ Declarations used by heartbeat_free_smi, sorted by DECL_UID: 0: static void heartbeat_free_recv (struct ipmi_recv_msg *); -;; Function heartbeat_free_smi (heartbeat_free_smi, funcdef_no=1408, cgraph_uid=1426, symbol_order=1526) +;; Function heartbeat_free_smi (heartbeat_free_smi, funcdef_no=1412, cgraph_uid=1426, symbol_order=1526) (note # 0 0 NOTE_INSN_DELETED) (note # 0 0 [bb 2] NOTE_INSN_BASIC_BLOCK)