http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52952
--- Comment #6 from Manuel López-Ibáñez <manu at gcc dot gnu.org> 2012-05-22 09:54:29 UTC --- (In reply to comment #3) > What does clang report for this: > > #include <stdio.h> > void f() { > printf( > "%." > "*d"); > } > > ? /tmp/webcompile/_2090_0.c:5:2: warning: '.*' specified field precision is missing a matching 'int' argument "*d"); ~^~ 1 warning generated. They have an awesome online demo: http://llvm.org/demo/