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unknown user pushed a change to branch gcc-6-branch in repository gcc.

from 2f3626afcdf Daily bump. new 843eeecc9de Backport r253729 new 16a5369925c Backport r257183 new 123b3fac4e0 Backport r257343 new 2fb2a2a0227 Backport r257412 new 3ea1cd2a789 Backport r257442 new 06d3ddb4c47 Backport r257490 new ade4fe10e46 Backport r257877 new f21db0ec639 Backport r257939 new 2752b2c34d5 Fix IPA profile merging, fixed in trunk with r253910. new 17c16883917 Backport r255818 new 6cab3b833d4 Backport r256989

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Summary of changes: gcc/ChangeLog | 40 ++++++++++++++++++++ gcc/cgraph.h | 3 ++ gcc/ipa-cp.c | 18 +++++++++ gcc/ipa-utils.c | 2 + gcc/loop-unroll.c | 2 +- gcc/lto-streamer-out.c | 55 +++------------------------ gcc/lto/ChangeLog | 73 ++++++++++++++++++++++++++++++++++++ gcc/lto/lto-lang.c | 2 + gcc/lto/lto-partition.c | 3 +- gcc/lto/lto-symtab.c | 47 ++++++++++++++++++----- gcc/lto/lto.c | 67 ++++++++++++++++++++++++--------- gcc/symtab.c | 56 +++++++++++++++++++++++++++ gcc/testsuite/ChangeLog | 20 ++++++++++ gcc/testsuite/gcc.dg/lto/pr81440.h | 4 ++ gcc/testsuite/gcc.dg/lto/pr81440_0.c | 9 +++++ gcc/testsuite/gcc.dg/lto/pr81440_1.c | 6 +++ gcc/testsuite/gcc.dg/lto/pr83954.h | 3 ++ gcc/testsuite/gcc.dg/lto/pr83954_0.c | 8 ++++ gcc/testsuite/gcc.dg/lto/pr83954_1.c | 7 ++++ gcc/tree.c | 7 ++-- 20 files changed, 351 insertions(+), 81 deletions(-) create mode 100644 gcc/testsuite/gcc.dg/lto/pr81440.h create mode 100644 gcc/testsuite/gcc.dg/lto/pr81440_0.c create mode 100644 gcc/testsuite/gcc.dg/lto/pr81440_1.c create mode 100644 gcc/testsuite/gcc.dg/lto/pr83954.h create mode 100644 gcc/testsuite/gcc.dg/lto/pr83954_0.c create mode 100644 gcc/testsuite/gcc.dg/lto/pr83954_1.c