[Bug tree-optimization/79345] [6/7 Regression] passing yet-uninitialized member as argument to base class constructor should warn (-Wunitialized)

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79345

--- Comment #15 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Thu Mar  2 09:19:28 2017
New Revision: 245833

URL: https://gcc.gnu.org/viewcvs?rev=245833&root=gcc&view=rev
Log:
        PR tree-optimization/79345
        * gensupport.h (struct pattern_stats): Add min_scratch_opno field.
        * gensupport.c (get_pattern_stats_1) <case MATCH_SCRATCH>: Update it.
        (get_pattern_stats): Initialize it.
        * genemit.c (gen_expand): Verify match_scratch numbers come after
        match_operand/match_dup numbers.
        * config/i386/i386.md (<s>mul<mode>3_highpart): Swap match_dup and
        match_scratch numbers.
        * config/i386/sse.md (avx2_gathersi<mode>, avx2_gatherdi<mode>):
        Likewise.
        * config/s390/s390.md (trunctdsd2): Likewise.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.md
    trunk/gcc/config/i386/sse.md
    trunk/gcc/config/s390/s390.md
    trunk/gcc/genemit.c
    trunk/gcc/gensupport.c
    trunk/gcc/gensupport.h