+2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
+
+ PR c/28299
+ * c-decl.c (start_function): Don't try to process prototype
+ information from old declaration that isn't a function.
+
2006-08-25 Jan Hubicka <jh@suse.cz>
PR target/28621
/* If this definition isn't a prototype and we had a prototype declaration
before, copy the arg type info from that prototype. */
old_decl = lookup_name_in_scope (DECL_NAME (decl1), current_scope);
+ if (old_decl && TREE_CODE (old_decl) != FUNCTION_DECL)
+ old_decl = 0;
current_function_prototype_locus = UNKNOWN_LOCATION;
current_function_prototype_built_in = false;
current_function_prototype_arg_types = NULL_TREE;
+2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
+
+ PR c/28299
+ * gcc.dg/funcdef-var-1.c, gcc.dg/funcdef-var-2.c: New tests.
+ * gcc.dg/pr20368-1.c, gcc.dg/pr20368-2.c, gcc.dg/pr20368-3.c:
+ Expect extra diagnostics.
+
2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
gcc.dg/noncompile/pr16876.c: New test.
--- /dev/null
+/* Test ICE on defining function with a name previously declared as a
+ nonfunction. Bug 28299 from Bernhard Fischer
+ <aldot@gcc.gnu.org>. */
+/* { dg-do compile } */
+/* { dg-options "-Wmissing-prototypes" } */
+
+extern __typeof(foo) foo __asm__(""); /* { dg-error "undeclared" } */
+/* { dg-error "previous declaration" "previous declaration" { target *-*-* } 7 } */
+void *foo (void) {} /* { dg-error "redeclared as different kind of symbol" } */
+/* { dg-warning "no previous prototype" "no previous prototype" { target *-*-* } 9 } */
--- /dev/null
+/* Test ICE on defining function with a name previously declared as a
+ nonfunction. Bug 28299 from Bernhard Fischer <aldot@gcc.gnu.org>.
+ Reduced testcase from Volker Reichelt <reichelt@gcc.gnu.org>. */
+
+/* { dg-do compile } */
+/* { dg-options "-Wmissing-prototypes" } */
+
+int foo;
+/* { dg-error "previous declaration" "previous declaration" { target *-*-* } 8 } */
+void foo () {} /* { dg-error "redeclared as different kind of symbol" } */
+/* { dg-warning "no previous prototype" "no previous prototype" { target *-*-* } 10 } */
int
f (x)
- float x;
+ float x; /* { dg-warning "warning: function declaration isn't a prototype" } */
{
}
int
f (x)
- float x;
+ float x; /* { dg-warning "warning: no previous prototype for 'f'" } */
{
}
int
f (x)
- float x;
+ float x; /* { dg-warning "warning: no previous declaration for 'f'" } */
{
}