pub fn populateSrcLocCache(d: *Dwarf, gpa: Allocator, endian: Endian, cu: *CompileUnit) ScanError!void
pub fn populateSrcLocCache(d: *Dwarf, gpa: Allocator, endian: Endian, cu: *CompileUnit) ScanError!void { if (cu.src_loc_cache != null) return; cu.src_loc_cache = try d.runLineNumberProgram(gpa, endian, cu); }