GCC mainline compilers 2020-04-20 20:56:01 build results

[Joseph Myers]

Clean build with unchanged results.

Component versions for this build:

binutils: vcs-mainline (0fa7617d84da8b809b14e1e2ee67474526c62021)
gcc: vcs-mainline (5bdd4c5d3fc9c143e8edea3b10828e4b75d7a385)
glibc: vcs-mainline (0798b8ecc8da8667362496c1217d18635106c609)
gmp: 6.2.0 (6.2.0)
gnumach: vcs-mainline (0cf03cdab38bd588390ddecc7086d8bb0f56d71f)
hurd: vcs-mainline (59e95c82ffee0de569efbf77e1206dc85ef34f9b)
linux: 5.6 (5.6)
mig: vcs-mainline (ecf59842e472d28a54a16acffe4aaa2f882108c6)
mpc: 1.1.0 (1.1.0)
mpfr: 4.0.2 (4.0.2)