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| author | Thomas Koenig <tkoenig@gcc.gnu.org> | 2016-02-14 12:23:59 +0000 |
|---|---|---|
| committer | Thomas Koenig <tkoenig@gcc.gnu.org> | 2016-02-14 12:23:59 +0000 |
| commit | 60cb4ef5550eac9581ef1b36607b5fb297eddce2 (patch) | |
| tree | c03f8e2995de5d99633664ea80baa6f1fa4665c4 /gcc/fortran/decl.c | |
| parent | cdc647c36f1a5878f8ea518c6865010abd9d7e69 (diff) | |
| download | gcc-60cb4ef5550eac9581ef1b36607b5fb297eddce2.zip gcc-60cb4ef5550eac9581ef1b36607b5fb297eddce2.tar.gz gcc-60cb4ef5550eac9581ef1b36607b5fb297eddce2.tar.bz2 | |
re PR fortran/60526 (Accepts-invalid: Variable name same as type name)
2016-02-14 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/60526
* decl.c (build_sym): If the name has already been defined as a
type, issue error and return false.
2016-02-14 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/60526
* gfortran.dg/type_decl_4.f90: New test.
From-SVN: r233410
Diffstat (limited to 'gcc/fortran/decl.c')
| -rw-r--r-- | gcc/fortran/decl.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/fortran/decl.c b/gcc/fortran/decl.c index df81369..a31ea49 100644 --- a/gcc/fortran/decl.c +++ b/gcc/fortran/decl.c @@ -1215,10 +1215,30 @@ build_sym (const char *name, gfc_charlen *cl, bool cl_deferred, { symbol_attribute attr; gfc_symbol *sym; + int nlen; + char u_name[GFC_MAX_SYMBOL_LEN + 1]; + gfc_symtree *st; if (gfc_get_symbol (name, NULL, &sym)) return false; + /* Check if the name has already been defined as a type. The + first letter of the symtree will be in upper case then. */ + + nlen = strlen(name); + gcc_assert (nlen <= GFC_MAX_SYMBOL_LEN); + strncpy (u_name, name, nlen + 1); + u_name[0] = TOUPPER(u_name[0]); + + st = gfc_find_symtree (gfc_current_ns->sym_root, u_name); + + if (st != 0) + { + gfc_error ("Symbol %qs at %C also declared as a type at %L", name, + &st->n.sym->declared_at); + return false; + } + /* Start updating the symbol table. Add basic type attribute if present. */ if (current_ts.type != BT_UNKNOWN && (sym->attr.implicit_type == 0 |