[libfuzzer] add test of cov file-id in control file
authorWu, Yingcong <yingcong.wu@intel.com>
Thu, 23 Mar 2023 04:49:19 +0000 (21:49 -0700)
committerVitaly Buka <vitalybuka@google.com>
Thu, 23 Mar 2023 05:55:48 +0000 (22:55 -0700)
commitc2df1d8a6d1cab95637a3b40d49a15e535135b33
treeeed0452921b35b437c1abc507697799b7bce2306
parentfd29a4d24267eef0f11d238cb4a32b07d56d6c5c
[libfuzzer] add test of cov file-id in control file

There is test for ft file-id in control file, but no test for cov line.
Without the test, a invalid cov file-id would cause crash.

Reviewed By: vitalybuka

Differential Revision: https://reviews.llvm.org/D145672
compiler-rt/lib/fuzzer/FuzzerMerge.cpp
compiler-rt/test/fuzzer/merge-control-file.test