GCC mainline compilers 2021-04-15 11:20:11 build results

[Joseph Myers]

Clean build with unchanged results.

Component versions for this build:

binutils: vcs-mainline (5809fbf2e289fc524d3086da62918876b66cefa8)
gcc: vcs-mainline (1696fc1ea01d5c9dce96b5d3122921aab9308f59)
glibc: vcs-mainline (52290d8c04569615fb011ee286d52dc5147afbd7)
gmp: 6.2.1 (6.2.1)
gnumach: vcs-mainline (34ffcb1893ee724d17671b7c388394fb646821bd)
hurd: vcs-mainline (7bcceb243cdb6cb9175a51344b9028370c202845)
linux: 5.11 (5.11)
mig: vcs-mainline (e9482b80272f673f625ac80d49ffea6b79fb6117)
mpc: 1.2.1 (1.2.1)
mpfr: 4.1.0 (4.1.0)