arm32 link error for lto and release mode

[workman]

On Monday, 23 August 2021 at 15:55:43 UTC, workman wrote:
> not use lto or not in release mode has no problem.
> ```



```sh
#0 0x00000000036e1803 
llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) 
(/usr/local/bin/ldc2+0x36e1803)
Error: Error executing /usr/local/bin/ldc2: Illegal instruction
```