llvm-project

7a6847e0 - [RISCV] Add partial validation of Z extension name to RISCVISAInfo::parseNormalizedArchString (#90895)

[RISCV] Add partial validation of Z extension name to RISCVISAInfo::parseNormalizedArchString (#90895) If 'z' is given as the complete extension name or with a digit after it, it will crash in the extension map compare function. Check for these cases and give an error.