https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80528
Bug ID: 80528 Summary: reimplement gnulib's "useless-if-before-free" script as a compiler warning Product: gcc Version: 8.0 Status: UNCONFIRMED Keywords: diagnostic Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: egall at gwmail dot gwu.edu Target Milestone: --- Split off from Bug 80519 Gnulib has a script called "useless-if-before-free" that detects code like: if (p) free(p); and warns about it, since the "if" test is usually unneeded nowadays. It'd be nice if GCC did this warning instead, so users wouldn't have to import a separate script from gnulib just to check for this sort of thing. Source for script: https://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=build-aux/useless-if-before-free;h=4e3f3a2658b105e8949f14ef85d733192c29be2c;hb=HEAD