================
@@ -0,0 +1,32 @@
+"""
+Test the 'memory read' command when decoding instruction failures.
+"""
----------------
tgs-sc wrote:
Yes, you are right, currently this warning only triggers if target specific
disasm won't change the size of consumed bytes. In RISC-V it happens only if we
can't fetch instruction's length. As I see, in AArch64 the have
```cpp
DecodeStatus AArch64Disassembler::getInstruction(MCInst &MI, uint64_t &Size,
ArrayRef<uint8_t> Bytes,
uint64_t Address,
raw_ostream &CS) const {
CommentStream = &CS;
Size = 0;
// We want to read exactly 4 bytes of data.
if (Bytes.size() < 4)
return Fail;
Size = 4;
```
So, you can try to trigger this by passing here size less than 4.
https://github.com/llvm/llvm-project/pull/164413
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