diff options
| author | Janus Weil <janus@gcc.gnu.org> | 2012-11-26 12:16:31 +0100 |
|---|---|---|
| committer | Janus Weil <janus@gcc.gnu.org> | 2012-11-26 12:16:31 +0100 |
| commit | 29be7510afa5761eb64db71df7ef8b2d2d57d8cf (patch) | |
| tree | 9eb2f79f7f351d91466677ca64aaf9814e387c4d /gcc/fortran/trans-decl.c | |
| parent | 3383b7fa4051d9b7cdc6dc11cfd3d821d3fd9cc7 (diff) | |
| download | gcc-29be7510afa5761eb64db71df7ef8b2d2d57d8cf.zip gcc-29be7510afa5761eb64db71df7ef8b2d2d57d8cf.tar.gz gcc-29be7510afa5761eb64db71df7ef8b2d2d57d8cf.tar.bz2 | |
re PR fortran/54997 (-Wunused-function gives false warnings)
2012-11-26 Janus Weil <janus@gcc.gnu.org>
PR fortran/54997
* decl.c (match_procedure_decl): Don't set 'referenced' attribute
for PROCEDURE declarations.
* parse.c (gfc_fixup_sibling_symbols,parse_contained): Don't set
'referenced' attribute for all contained procedures.
* trans-decl.c (gfc_get_symbol_decl): Allow for unreferenced procedures.
(build_function_decl): Set TREE_USED for referenced procedures.
2012-11-26 Janus Weil <janus@gcc.gnu.org>
PR fortran/54997
* gfortran.dg/warn_unused_function_2.f90: New.
From-SVN: r193811
Diffstat (limited to 'gcc/fortran/trans-decl.c')
| -rw-r--r-- | gcc/fortran/trans-decl.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/gcc/fortran/trans-decl.c b/gcc/fortran/trans-decl.c index 6827298..9adcb8b 100644 --- a/gcc/fortran/trans-decl.c +++ b/gcc/fortran/trans-decl.c @@ -1195,10 +1195,11 @@ gfc_get_symbol_decl (gfc_symbol * sym) bool intrinsic_array_parameter = false; gcc_assert (sym->attr.referenced - || sym->attr.use_assoc - || sym->ns->proc_name->attr.if_source == IFSRC_IFBODY - || (sym->module && sym->attr.if_source != IFSRC_DECL - && sym->backend_decl)); + || sym->attr.flavor == FL_PROCEDURE + || sym->attr.use_assoc + || sym->ns->proc_name->attr.if_source == IFSRC_IFBODY + || (sym->module && sym->attr.if_source != IFSRC_DECL + && sym->backend_decl)); if (sym->ns && sym->ns->proc_name && sym->ns->proc_name->attr.function) byref = gfc_return_by_reference (sym->ns->proc_name); @@ -1851,6 +1852,9 @@ build_function_decl (gfc_symbol * sym, bool global) || sym->attr.public_used)) TREE_PUBLIC (fndecl) = 1; + if (sym->attr.referenced || sym->attr.entry_master) + TREE_USED (fndecl) = 1; + attributes = add_attributes_to_decl (attr, NULL_TREE); decl_attributes (&fndecl, attributes, 0); |