/* gcc -W -c test.c test.c:18: warning: (near initialization for m1.h.b) */
struct h { int a; int b; }; struct m { struct h h; int c; }; struct m m1 = { .h.a = 1, .c = 2, }; struct m m2 = { .h = {.a = 1}, .c = 2, }; m1 has that warning, but m2 is ok. I hit this with both these: gcc version 4.1.1 gcc version 4.1.2 20070925 (Red Hat 4.1.2-33) -Geoff -- Summary: unexplained warning in struct initialization Product: gcc Version: 4.2.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: geoffrey dot levand at am dot sony dot com GCC host triplet: i386-redhat-linux http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36446