[committed] d: Bump front-end language version to v2.111.0

Hi, This patch merges the front-end language implementation and runtime library with upstream dmd c6863be720, and the standard library with phobos 60034b56e. Synchronizing with the upstream release of v2.111.0. Bootstrapped and regression tested on x86_64-linux-gnu/-m32, and committed to mainlin

[committed] d: Bump front-end language version to v2.111.0-rc.1.

Hi, This patch merges the D front-end with upstream dmd 032e24446b. The language version is now v2.111.0-rc.1. Bootstrapped and regression tested on x86_64-linux-gnu/-m32, and committed to mainline. Regards, Iain. --- gcc/d/ChangeLog: * dmd/MERGE: Merge upstream dmd 032e24446b.