This is a zero-cost workaround for a bug in GCC 8.3.0 which causes the compilation to fail, because the compiler thinks that the value might be used uninitialized even though it clearly cannot be. Signed-off-by: Martin Kletzander <mkletzan(a)redhat.com&gt; --- This is technically a fix for a build-breaker, but I'm sending it for review as it is not that big of a deal it being in examples/ examples/domtop/domtop.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/examples/domtop/domtop.c b/examples/domtop/domtop.c index c9b51aed510d..e463e2873f42 100644 --- a/examples/domtop/domtop.c +++ b/examples/domtop/domtop.c @@ -206,7 +206,7 @@ print_cpu_usage(size_t cpu, } for (i = 0; i < ncpus; i++) { - size_t pos; + size_t pos = 0; double usage; /* check if the vCPU is in the maps */ -- 2.21.0