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unknown user pushed a change to branch master in repository gcc.

from 00c4405cd7f analyzer: handle repeated accesses after init of unknown si [...] new 336ea18ad7f gcov-tool: Allow merging of empty profile lists new d170ecc9fcb gcov: Add mode to all gcov_open() new 1a6314b0408 gcov: Add open mode parameter to gcov_do_dump() new 68a4673fe25 gcov: Make gcov_seek() static new 39d80300b3c gcov: Add __gcov_filename_to_gcfn() new e543d9d2cf5 gcov-tool: Support file input from stdin new f9b59dd8e55 gcov: Use xstrdup() new 76cae6482e0 gcov: Move prepend to list to read_gcda_file() new c190b0e65fe gcov: Move gcov_open() to caller of read_gcda_file() new 1ff8d194cbc gcov: Fix integer types in ftw_read_file() new ef9a53feae5 gcov: Record EOF error during read new 210e32b60b9 gcov-tool: Add merge-stream subcommand new 92475ea84f6 gcov: Use xstrerror() new 9ae8b993cd3 gcov: Add section for freestanding environments

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Summary of changes: gcc/doc/gcov-tool.texi | 36 +++ gcc/doc/gcov.texi | 389 +++++++++++++++++++++++++++++++ gcc/doc/invoke.texi | 31 +-- gcc/gcov-io.cc | 79 +++++-- gcc/gcov-io.h | 35 +-- gcc/gcov-tool.cc | 107 +++++++-- gcc/testsuite/gcc.dg/gcov-info-to-gcda.c | 36 ++- libgcc/gcov.h | 17 +- libgcc/libgcov-driver-system.c | 7 +- libgcc/libgcov-driver.c | 44 +++- libgcc/libgcov-util.c | 150 +++++++++--- libgcc/libgcov.h | 3 - 12 files changed, 817 insertions(+), 117 deletions(-)