diff options
| author | Paul Thomas <pault@gcc.gnu.org> | 2007-10-12 16:45:46 +0000 |
|---|---|---|
| committer | Paul Thomas <pault@gcc.gnu.org> | 2007-10-12 16:45:46 +0000 |
| commit | 98a36c7ca05d1acbd0a06c43bb0e0b0c4596ed5e (patch) | |
| tree | 23f42943c790dc9910595eb247c54e5f718debe4 /gcc/fortran/expr.c | |
| parent | e69f1bad5d88e5a7dc4970f169c7763cba4f6feb (diff) | |
| download | gcc-98a36c7ca05d1acbd0a06c43bb0e0b0c4596ed5e.zip gcc-98a36c7ca05d1acbd0a06c43bb0e0b0c4596ed5e.tar.gz gcc-98a36c7ca05d1acbd0a06c43bb0e0b0c4596ed5e.tar.bz2 | |
re PR fortran/33664 (crash on invalid program)
2007-10-12 Paul Thomas <pault@gcc.gnu.org>
PR fortran/33664
* expr.c (gfc_specification_expr): If a function is not
external, intrinsic or pure is an error. Set the symbol pure
to prevent repeat errors.
2007-10-12 Paul Thomas <pault@gcc.gnu.org>
PR fortran/33664
* gfortran.dg/impure_spec_expr_1.f90: New test.
* gfortran.dg/char_result_7.f90: Remove illegal test.
From-SVN: r129267
Diffstat (limited to 'gcc/fortran/expr.c')
| -rw-r--r-- | gcc/fortran/expr.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/fortran/expr.c b/gcc/fortran/expr.c index 16dc2b1..447263a 100644 --- a/gcc/fortran/expr.c +++ b/gcc/fortran/expr.c @@ -2526,6 +2526,18 @@ gfc_specification_expr (gfc_expr *e) return FAILURE; } + if (e->expr_type == EXPR_FUNCTION + && !e->value.function.isym + && !e->value.function.esym + && !gfc_pure (e->symtree->n.sym)) + { + gfc_error ("Function '%s' at %L must be PURE", + e->symtree->n.sym->name, &e->where); + /* Prevent repeat error messages. */ + e->symtree->n.sym->attr.pure = 1; + return FAILURE; + } + if (e->rank != 0) { gfc_error ("Expression at %L must be scalar", &e->where); |