https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78915
Martin Sebor <msebor at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |FIXED Target Milestone|--- |11.0 Known to fail| |10.2.0, 7.3.0, 8.3.0, 9.2.0 Status|NEW |RESOLVED --- Comment #4 from Martin Sebor <msebor at gcc dot gnu.org> --- Both f1() and f2() have been diagnosed since r11-959 (GCC 11): $ gcc -O1 -S -Wall pr78915.c pr78915.c: In function ‘f0’: pr78915.c:5:3: warning: ‘i’ is used uninitialized [-Wuninitialized] 5 | ++i; | ^~~ pr78915.c:3:7: note: ‘i’ was declared here 3 | int i; | ^ pr78915.c: In function ‘f1’: pr78915.c:14:5: warning: ‘*p’ is used uninitialized [-Wuninitialized] 14 | ++*p; | ^~ pr78915.c: In function ‘f2’: pr78915.c:25:5: warning: ‘*p’ may be used uninitialized [-Wmaybe-uninitialized] 25 | ++*p; | ^~