A broken diagnostic is issued for the following invalid code snippet since GCC 4.0.2:
================================================== typedef char A __attribute__((vector_size(8))); typedef int B __attribute__((vector_size(8))); void foo(A a) { ((B)a)(); } ================================================== #'view_convert_expr' not supported by pp_c_expression#'bugD3.c: In function 'foo': bug.c:6: error: called object is not a function bug.c:5: warning: MMX vector argument without MMX enabled changes the ABI Similar to PR35441. -- Summary: [4.1/4.2/4.3/4.4 regression] Completely broken diagnostic with view_convert_expr Product: gcc Version: 4.4.0 Status: UNCONFIRMED Keywords: diagnostic, monitored Severity: normal Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: reichelt at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35442