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unknown user pushed a change to branch releases/gcc-12 in repository gcc.

from 86def977569 Daily bump. new ad6ace70ba3 tree-optimization/106868 - bogus -Wdangling-pointer diagnostic new e0e37f97e67 tree-optimization/107407 - wrong code with DSE new a9fafa2f533 tree-optimization/107647 - avoid FMA from SLP with -ffp-con [...] new 9e242f8a2d5 tree-optimization/107766 - ICE with recent -ffp-contract=off fix new 232305bd0c8 tree-optimization/107686 - fix bitfield ref through vec_unp [...] new 812847a9d12 tree-optimization/107833 - invariant motion of uninit uses new 09469705318 tree-optimization/107865 - ICE with outlining of loops new 1a8af012222 tree-optimization/107898 - ICE with -Walloca-larger-than

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Summary of changes: gcc/cfghooks.cc | 1 + gcc/gimple-ssa-warn-access.cc | 52 ++++------ gcc/gimple-ssa-warn-alloca.cc | 1 + gcc/testsuite/g++.dg/vect/pr107766.cc | 23 +++++ gcc/testsuite/gcc.dg/Wdangling-pointer-pr106868.c | 14 +++ gcc/testsuite/gcc.dg/pr107686.c | 16 ++++ gcc/testsuite/gcc.dg/torture/pr107407.c | 26 +++++ gcc/testsuite/gcc.dg/torture/pr107833.c | 33 +++++++ gcc/testsuite/gcc.dg/uninit-pr107839.c | 13 +++ gcc/testsuite/gcc.target/i386/pr107647.c | 17 ++++ gcc/testsuite/gfortran.dg/graphite/pr107865.f90 | 18 ++++ gcc/tree-cfg.cc | 2 + gcc/tree-ssa-dse.cc | 17 ++-- gcc/tree-ssa-forwprop.cc | 6 +- gcc/tree-ssa-loop-im.cc | 24 ++++- gcc/tree-ssa-loop-ivopts.cc | 111 ---------------------- gcc/tree-ssa.cc | 93 ++++++++++++++++++ gcc/tree-ssa.h | 25 +++++ gcc/tree-vect-slp-patterns.cc | 15 ++- 19 files changed, 345 insertions(+), 162 deletions(-) create mode 100644 gcc/testsuite/g++.dg/vect/pr107766.cc create mode 100644 gcc/testsuite/gcc.dg/Wdangling-pointer-pr106868.c create mode 100644 gcc/testsuite/gcc.dg/pr107686.c create mode 100644 gcc/testsuite/gcc.dg/torture/pr107407.c create mode 100644 gcc/testsuite/gcc.dg/torture/pr107833.c create mode 100644 gcc/testsuite/gcc.dg/uninit-pr107839.c create mode 100644 gcc/testsuite/gcc.target/i386/pr107647.c create mode 100644 gcc/testsuite/gfortran.dg/graphite/pr107865.f90