https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85871
Maxim Kuvyrkov <mkuvyrkov at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mkuvyrkov at gcc dot gnu.org --- Comment #5 from Maxim Kuvyrkov <mkuvyrkov at gcc dot gnu.org> --- (In reply to Christophe Lyon from comment #0) > Hi, > > It seems g++.dg/gcov/gcov-8.C is failing randomly as one can see by looking > at reports on https://gcc.gnu.org/ml/gcc-testresults/ ... > FAIL: g++.dg/gcov/gcov-8.C -std=gnu++98 gcov failed: File > '/home/tcwg-buildslave/workspace/tcwg-buildfarm/tcwg-x86_32-build/snapshots/ > gcc.git~master_rev_e4ddfbc4c1d49271c7c17e574c522a53f9152522/gcc/testsuite/ > g++.dg/gcov/gcov-8.C' Is this unfortunate copy-paste or does "gcov failed: File ..." part appears on the same line as "FAIL: g++.dg/gcov/gcov-8.C -std=gnu++98"? If it is the latter, then the problem is, likely, in testing harness mixing up file descriptors, and sending 1st line of output to a wrong file. This causes the failure since pattern for the first line doesn't match.