[CIR][NFC] Share LLVM checks with classic in inherited-ctors.cpp (#229514)
The OGCG checks repeated the LLVM checks except for one call and one
vtable store in VirtualDelegatingCtor. This change runs the LLVM prefix
on both outputs and keeps LLVMCIR/OGCG only for those two lines.
Assisted-by: Claude Code / Claude Opus 5.5