2009-07-18 Richard Guenther <rguenther@suse.de>
PR c/40787
* gimplify.c (gimplify_call_expr): Reject code using results from
functions returning void.
* gcc.dg/pr35899.c: Adjust.
From-SVN: r149770
+2009-07-18 Richard Guenther <rguenther@suse.de>
+
+ PR c/40787
+ * gimplify.c (gimplify_call_expr): Reject code using results from
+ functions returning void.
+
2009-07-18 Richard Sandiford <r.sandiford@uk.ibm.com>
* doc/md.texi: Document the new PowerPC "es" constraint.
}
}
+ /* Verify the function result. */
+ if (want_value && fndecl
+ && VOID_TYPE_P (TREE_TYPE (TREE_TYPE (fndecl))))
+ {
+ error_at (loc, "using result of function returning %<void%>");
+ ret = GS_ERROR;
+ }
+
/* Try this again in case gimplification exposed something. */
if (ret != GS_ERROR)
{
+2009-07-18 Richard Guenther <rguenther@suse.de>
+
+ PR c/40787
+ * gcc.dg/pr35899.c: Adjust.
+
2009-07-18 Richard Sandiford <r.sandiford@uk.ibm.com>
* gcc.target/powerpc/asm-es-1.c: New test.
int
foo (void)
{
- int a = bar (); /* { dg-message "note: previous implicit declaration" } */
+ int a = bar (); /* { dg-error "returning 'void'" } */
return a;
}
bar (void) /* { dg-warning "conflicting types for" } */
{
}
+
+/* { dg-message "note: previous implicit declaration" "" { target *-*-* } 8 } */