llvm-project/llvm/test/MC/RISCV/empty-string.s

// REQUIRES: riscv-registered-target
// RUN: not llvm-mc -triple riscv32-unknown-linux-gnu < %s 2>&1 | FileCheck %s
"" # CHECK: error: unrecognized instruction mnemonic
[MC, RISCV] Fixed StringRef Assertion `Index < Length && "Invalid index!"' Summary: Handle the case IDVal is an empty string. This bug was uncovered by a LLVM MC Assembler Protocol Buffer Fuzzer for the RISC-V assembly language. Reviewers: rnk Reviewed By: rnk Subscribers: rnk, niravd, pcc, peter.smith, asb, grosbach, llvm-commits, bcain, kito-cheng, shiva0217, rogfer01, PkmX Differential Revision: https://reviews.llvm.org/D50808 llvm-svn: 340678 2018-08-25 09:34:32 +08:00			`// REQUIRES: riscv-registered-target`
			`// RUN: not llvm-mc -triple riscv32-unknown-linux-gnu < %s 2>&1 \| FileCheck %s`
			`"" # CHECK: error: unrecognized instruction mnemonic`