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b8e01630df
In gcov, there's a -n/--no-output option, which disables the writing of any .gcov files, so that it emits only the summary info on stdout. This implements the same behaviour in llvm-cov. llvm-svn: 208148
These inputs were pre-generated to allow for easier testing of llvm-cov. test.gcno and test.gcda were create by running clang: clang++ -g -ftest-coverage -fprofile-arcs test.cpp test.cpp.gcov was created by running gcov 4.2.1: gcov test.cpp