[ARM] Fix abs overflow when encoding instructions like strb r1, [r0], #-0
Tested by llvm/test/MC/ARM/basic-thumb2-instructions.s. Caught by newer -fsanitize=signed-integer-overflow (D156821).
parent
6a0e536c
Tested by llvm/test/MC/ARM/basic-thumb2-instructions.s. Caught by newer -fsanitize=signed-integer-overflow (D156821).
mentioned in commit 0c756c59
·mentioned in commit 0c756c59