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from 5186407 Fix PR 71873 - ICE in push_reload new 3a749c2 toplev.c: set FILE * globals to NULL after fclose new 7132b75 Cherry-pick fprofile-generate-atomic from google/gcc-4_9 new 2d2b410 Add new *_atomic counter update function

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Summary of changes: gcc/ChangeLog | 24 +++++ gcc/common.opt | 13 +++ gcc/coretypes.h | 6 ++ gcc/doc/invoke.texi | 12 +++ gcc/gcov-io.h | 8 ++ gcc/testsuite/ChangeLog | 9 ++ gcc/testsuite/g++.dg/gcov/gcov-threads-1.C | 46 +++++++++ .../gcc.dg/tree-prof/val-profiler-threads-1.c | 41 ++++++++ gcc/toplev.c | 7 +- gcc/tree-profile.c | 95 ++++++++++++------- libgcc/ChangeLog | 16 ++++ libgcc/Makefile.in | 14 ++- libgcc/libgcov-profiler.c | 103 ++++++++++++++++++++- libgcc/libgcov.h | 7 ++ 14 files changed, 357 insertions(+), 44 deletions(-) create mode 100644 gcc/testsuite/g++.dg/gcov/gcov-threads-1.C create mode 100644 gcc/testsuite/gcc.dg/tree-prof/val-profiler-threads-1.c