[Issue 23501] New: recursive assertion produces strange error

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23501

          Issue ID: 23501
           Summary: recursive assertion produces strange error
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P1
         Component: dmd
          Assignee: nobody at puremagic.com
          Reporter: elpenguino+D at gmail.com

this code:
```
void main() {
    assert(assert(0, "hello"), "hello again");
}
```
produces an unusual and unhelpful error message at runtime:
```
function: _Dmain
el:0x556a2baa7fd0 cnt=1 cs=0 rpair TYucent 0x556a2baa7f70 0x556a2baa7f10
 el:0x556a2baa7f70 cnt=0 cs=255 relconst TY*  0+& _TMP0
 el:0x556a2baa7f10 cnt=0 cs=255 const TYulong 11LL 
```
I'm not sure which message should end up being printed, but I'm pretty sure it
shouldn't be this one.

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