https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69781
Bug ID: 69781 Summary: [6 Regression] r233362 breaks PGO/LTO bootstrap on ppc64le Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap Assignee: unassigned at gcc dot gnu.org Reporter: trippels at gcc dot gnu.org CC: kugan at gcc dot gnu.org Target Milestone: --- Target: ppc64le r233362 causes gcc to ICE all over the place during PGO/LTO bootstrap: ../../gcc/gcc/bb-reorder.c: In member function ‘execute’: ../../gcc/gcc/bb-reorder.c:2557:1: internal compiler error: in tree_node_structure_for_code, at tree.c:481 } ^ Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. make[4]: *** [/home/trippels/tmp/cceUBSgY.ltrans18.ltrans.o] Error 1 make[4]: *** Waiting for unfinished jobs.... ../../gcc/gcc/tree-ssa-sccvn.c: In function ‘vn_reference_lookup’: ../../gcc/gcc/tree-ssa-sccvn.c:2264:4: warning: ‘valuezied_anything’ may be used uninitialized in this function [-Wmaybe-uninitialized] || !ao_ref_init_from_vn_reference (&r, vr1.set, vr1.type, ^ ../../gcc/gcc/tree-ssa-sccvn.c:2242:8: note: ‘valuezied_anything’ was declared here bool valuezied_anything; ^ ../../gcc/gcc/config/rs6000/predicates.md: In function ‘vsx_register_operand’: ../../gcc/gcc/config/rs6000/predicates.md:67:0: internal compiler error: in mark_operand_necessary, at tree-ssa-dce.c:166 ;; (either altivec or VSX). Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. make[4]: *** [/home/trippels/tmp/cceUBSgY.ltrans5.ltrans.o] Error 1 ../../gcc/gcc/config/rs6000/predicates.md: In function ‘cc_reg_not_cr0_operand’: ../../gcc/gcc/config/rs6000/predicates.md:431:0: internal compiler error: in mark_operand_necessary, at tree-ssa-dce.c:160 (define_predicate "cc_reg_not_micro_cr0_operand" Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. make[4]: *** [/home/trippels/tmp/cceUBSgY.ltrans22.ltrans.o] Error 1 ../../gcc/gcc/expmed.c: In function ‘expand_shift_1’: ../../gcc/gcc/expmed.c:2288:1: internal compiler error: in insert_value_copy_on_edge, at tree-outof-ssa.c:296 expand_shift_1 (enum tree_code code, machine_mode mode, rtx shifted, ^ Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. make[4]: *** [/home/trippels/tmp/cceUBSgY.ltrans15.ltrans.o] Error 1