https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120086
--- Comment #12 from John David Anglin <danglin at gcc dot gnu.org> --- With patch, gcov-29 now passes. But gcov-30 fails with excess errors FAIL: gcc.misc-tests/gcov-30.c (test for excess errors) Excess errors: /home/dave/gnu/gcc/gcc/gcc/testsuite/gcc.misc-tests/gcov-30.c:867:1: warning: target does not support atomic profile update, single mode is selected and gcov-pr86536.c fails spawn -ignore SIGHUP /home/dave/gnu/gcc/objdir64/gcc/gcov -b gcov-pr86536.c File '/home/dave/gnu/gcc/gcc/gcc/testsuite/gcc.misc-tests/gcov-pr86536.c' Lines executed:40.00% of 5 No branches Calls executed:0.00% of 1 Creating 'gcov-pr86536.c.gcov' Lines executed:40.00% of 5 FAIL: gcc.misc-tests/gcov-pr86536.c line 15: is #####:should be 1 FAIL: gcc.misc-tests/gcov-pr86536.c line 18: is #####:should be 1 FAIL: gcc.misc-tests/gcov-pr86536.c line 21: is 1:should be 2 FAIL: gcc.misc-tests/gcov-pr86536.c line 22: is 1:should be 2 FAIL: gcc.misc-tests/gcov-pr86536.c line 19: expected return percentages not found: 200 FAIL: gcc.misc-tests/gcov-pr86536.c gcov: 4 failures in line counts, 0 in branch percentages, 0 in condition/decision, 0 in prime-paths, 1 in return percentages, 0 in intermediate format, 0 failed in filters The gcov-pr86536.c fails appear to be new.