/usr/share/fpcsrc/2.6.2/compiler/mips/ is in fpc-source-2.6.2 2.6.2-8.
This file is owned by root:root, with mode 0o755.
..
/usr/share/fpcsrc/2.6.2/compiler/mips/aasmcpu.pas
/usr/share/fpcsrc/2.6.2/compiler/mips/aoptcpu.pas
/usr/share/fpcsrc/2.6.2/compiler/mips/aoptcpub.pas
/usr/share/fpcsrc/2.6.2/compiler/mips/aoptcpud.pas
/usr/share/fpcsrc/2.6.2/compiler/mips/cgcpu.pas
/usr/share/fpcsrc/2.6.2/compiler/mips/cpubase.pas
/usr/share/fpcsrc/2.6.2/compiler/mips/cpugas.pas
/usr/share/fpcsrc/2.6.2/compiler/mips/cpuinfo.pas
/usr/share/fpcsrc/2.6.2/compiler/mips/cpunode.pas
/usr/share/fpcsrc/2.6.2/compiler/mips/cpupara.pas
/usr/share/fpcsrc/2.6.2/compiler/mips/cpupi.pas
/usr/share/fpcsrc/2.6.2/compiler/mips/cputarg.pas
/usr/share/fpcsrc/2.6.2/compiler/mips/itcpugas.pas
/usr/share/fpcsrc/2.6.2/compiler/mips/ncpuadd.pas
/usr/share/fpcsrc/2.6.2/compiler/mips/ncpucall.pas
/usr/share/fpcsrc/2.6.2/compiler/mips/ncpucnv.pas
/usr/share/fpcsrc/2.6.2/compiler/mips/ncpuinln.pas
/usr/share/fpcsrc/2.6.2/compiler/mips/ncpumat.pas
/usr/share/fpcsrc/2.6.2/compiler/mips/ncpuset.pas
/usr/share/fpcsrc/2.6.2/compiler/mips/opcode.inc
/usr/share/fpcsrc/2.6.2/compiler/mips/rgcpu.pas
/usr/share/fpcsrc/2.6.2/compiler/mips/rmipscon.inc
/usr/share/fpcsrc/2.6.2/compiler/mips/rmipsdwf.inc
/usr/share/fpcsrc/2.6.2/compiler/mips/rmipsgas.inc
/usr/share/fpcsrc/2.6.2/compiler/mips/rmipsgri.inc
/usr/share/fpcsrc/2.6.2/compiler/mips/rmipsgss.inc
/usr/share/fpcsrc/2.6.2/compiler/mips/rmipsmot.inc
/usr/share/fpcsrc/2.6.2/compiler/mips/rmipsmri.inc
/usr/share/fpcsrc/2.6.2/compiler/mips/rmipsnor.inc
/usr/share/fpcsrc/2.6.2/compiler/mips/rmipsnum.inc
/usr/share/fpcsrc/2.6.2/compiler/mips/rmipsrni.inc
/usr/share/fpcsrc/2.6.2/compiler/mips/rmipssri.inc
/usr/share/fpcsrc/2.6.2/compiler/mips/rmipssta.inc
/usr/share/fpcsrc/2.6.2/compiler/mips/rmipsstd.inc
/usr/share/fpcsrc/2.6.2/compiler/mips/rmipssup.inc
/usr/share/fpcsrc/2.6.2/compiler/mips/strinst.inc