> Before e6043641d30 the file was created by Fmake_temp_file_internal and > afterwards overwritten by libgccjit.
Yes, that was good. > So I guess one could remove the file after the first creation and make > it a link pointing to some other file waiting for libgccjit to do > its write. "One" as in "an attacker"? In `/tmp` an attacker should not be able to do that because it's supposed to be using the sticky bit so that only the owner of a file can remove it. Stefan