diff options
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/cgraphunit.c | 12 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr94277.c | 11 |
4 files changed, 30 insertions, 6 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3b92670..a45d7ba 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,11 @@ +2020-03-24 Jakub Jelinek <jakub@redhat.com> + + PR debug/94277 + * cgraphunit.c (check_global_declaration): For DECL_EXTERNAL and + non-TREE_PUBLIC non-DECL_ARTIFICIAL FUNCTION_DECLs, set TREE_PUBLIC + regardless of whether TREE_NO_WARNING is set on it or whether + warn_unused_function is true or not. + 2020-03-23 Jeff Law <law@redhat.com> PR rtl-optimization/90275 diff --git a/gcc/cgraphunit.c b/gcc/cgraphunit.c index d7ed405..3415660 100644 --- a/gcc/cgraphunit.c +++ b/gcc/cgraphunit.c @@ -1068,15 +1068,15 @@ check_global_declaration (symtab_node *snode) && DECL_INITIAL (decl) == 0 && DECL_EXTERNAL (decl) && ! DECL_ARTIFICIAL (decl) - && ! TREE_NO_WARNING (decl) - && ! TREE_PUBLIC (decl) - && (warn_unused_function - || snode->referred_to_p (/*include_self=*/false))) + && ! TREE_PUBLIC (decl)) { - if (snode->referred_to_p (/*include_self=*/false)) + if (TREE_NO_WARNING (decl)) + ; + else if (snode->referred_to_p (/*include_self=*/false)) pedwarn (input_location, 0, "%q+F used but never defined", decl); else - warning (OPT_Wunused_function, "%q+F declared %<static%> but never defined", decl); + warning (OPT_Wunused_function, "%q+F declared %<static%> but never " + "defined", decl); /* This symbol is effectively an "extern" declaration now. */ TREE_PUBLIC (decl) = 1; } diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 28adfd8..13e6090 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2020-03-24 Jakub Jelinek <jakub@redhat.com> + + PR debug/94277 + * gcc.dg/pr94277.c: New test. + 2020-03-23 Jeff Law <law@redhat.com> PR target/94144 diff --git a/gcc/testsuite/gcc.dg/pr94277.c b/gcc/testsuite/gcc.dg/pr94277.c new file mode 100644 index 0000000..dfe38e4 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr94277.c @@ -0,0 +1,11 @@ +/* PR debug/94277 */ +/* { dg-do compile } */ +/* { dg-options "-fcompare-debug" } */ + +static void foo (void); /* { dg-warning "used but never defined" } */ + +void +bar (void) +{ + foo (); +} |