[indvars] Missing variables at Og: (#69920)
https://bugs.llvm.org/show_bug.cgi?id=51735
https://github.com/llvm/llvm-project/issues/51077
In the given test case:
```
4 ...
5 void bar() {
6 int End = 777;
7 int Index = 27;
8 char Var = 1;
9 for (; Index < End; ++Index)
10 ;
11 nop(Index);
12 }
13 ...
```
Missing local variable `Index` after loop `Induction Variable Elimination`. When adding a breakpoint at line `11`, LLDB does not have information on the variable. But it has info on `Var` and `End`.
