Revert "src/ir.cpp: check return value of `const_ptr_pointee` to protect against dereferencing null pointers;"

This reverts commit 0839ed1f945dbbe3ad1f780a5334ad16ad12fd5e.

I realized too late there is a better fix. See PR #1419
6a3fad1d59Andrew Kelley committed on 8/26/2018, 5:04:58 PMparent0839ed1
1 file changedLine totals unavailable