https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118025
--- Comment #2 from Dimitar Dimitrov <dimitar at gcc dot gnu.org> --- The failures for AVR and PRU are probably related to their unusual BITS_PER_WORD=8 and BIGGEST_ALIGNMENT=8 configuration. For AVR: NA->FAIL: gcc.dg/field-merge-11.c execution test NA->FAIL: gcc.dg/field-merge-11.c (test for excess errors) NA->FAIL: gcc.dg/field-merge-1.c execution test NA->FAIL: gcc.dg/field-merge-1.c scan-tree-dump-times optimized "BIT_FIELD_REF" 8 NA->FAIL: gcc.dg/field-merge-1.c (test for excess errors) NA->FAIL: gcc.dg/field-merge-3.c (test for excess errors) NA->FAIL: gcc.dg/field-merge-4.c (test for excess errors) NA->FAIL: gcc.dg/field-merge-5.c (test for excess errors) NA->FAIL: gcc.dg/field-merge-9.c scan-tree-dump-times ifcombine "optimizing two comparisons" 2 For PRU: NA->FAIL: gcc.dg/field-merge-1.c scan-tree-dump-times optimized "BIT_FIELD_REF" 8 NA->FAIL: gcc.dg/field-merge-9.c scan-tree-dump-times ifcombine "optimizing two comparisons" 2