[RISCV] Crash on pass RISCVInsertVSETVLI

[sc-clulzze]

Assertion I->containsInterval(Start, End) && "Segment is not entirely in range!"' failed.
Godbolt example - https://godbolt.org/z/GxTb5Grdd
Looking at backtace, problem is inside RISCVInsertVSETVLI pass, issue reproduced on ToT

[llvmbot]

@llvm/issue-subscribers-backend-risc-v

Author: None (sc-clulzze)

`Assertion I->containsInterval(Start, End) && "Segment is not entirely in range!"' failed.` Godbolt example - https://godbolt.org/z/GxTb5Grdd Looking at backtace, problem is inside RISCVInsertVSETVLI pass, issue reproduced on ToT

[topperc]

cc: @lukel97 @BeMg