Remove dead instructions in terminate blocks Terminate blocks look pretty in the IR I've looked at, so no actual perf delta from this. But it seems reasonable to note produce unused IR.
tag_field
FieldIdx
Variants::Multiple
LLVMIntrinsicGetDeclaration
f16
-Zmin-function-alignment
target.min_global_align
Align
va_arg
powerpc
warn(unreachable_pub)
rustc_codegen_llvm