Revert "Use the same DISubprogram for each instance of the same inline function within the caller" This reverts commit 687bffa49375aa00bacc51f5d9adfb84a9453e17. Reverting to resolve ICEs reported on nightly. cc `@dpaoliello` Fixes #115156
The codegen
crate contains the code to convert from MIR into LLVM IR,
and then from LLVM IR into machine code. In general it contains code
that runs towards the end of the compilation process.
For more information about how codegen works, see the rustc dev guide.