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author | Tobias Schlüter <tobi@gcc.gnu.org> | 2004-06-12 16:06:19 +0200 |
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committer | Tobias Schlüter <tobi@gcc.gnu.org> | 2004-06-12 16:06:19 +0200 |
commit | 662ef0f5c62f781c4d20406ee11333c63bac8eef (patch) | |
tree | 3f6f1f97c22b8ddc8b4db0231e42b95da118a586 /gcc/fortran/trans-expr.c | |
parent | 4aef80f8e0b9f3a18e2afb6d10dcdcc26683d34d (diff) | |
download | gcc-662ef0f5c62f781c4d20406ee11333c63bac8eef.zip gcc-662ef0f5c62f781c4d20406ee11333c63bac8eef.tar.gz gcc-662ef0f5c62f781c4d20406ee11333c63bac8eef.tar.bz2 |
re PR fortran/12841 (passing null to a subroutine)
fortran/
PR fortran/12841
* interface.c (compare_parameter, compare_actual_formal): Don't
check types and array shapes for NULL()
* trans-expr.c (conv_function_call): No double indirection for
NULL()
( I had accidentally committed the interface.c part before)
testuite/
PR fortran/12841
* gfortran.fortran-torture/execute/null_arg.f90: New test.
From-SVN: r83028
Diffstat (limited to 'gcc/fortran/trans-expr.c')
-rw-r--r-- | gcc/fortran/trans-expr.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/fortran/trans-expr.c b/gcc/fortran/trans-expr.c index 2258ce6..e4953f6 100644 --- a/gcc/fortran/trans-expr.c +++ b/gcc/fortran/trans-expr.c @@ -1100,10 +1100,12 @@ gfc_conv_function_call (gfc_se * se, gfc_symbol * sym, if (argss == gfc_ss_terminator) { gfc_conv_expr_reference (&parmse, arg->expr); - if (formal && formal->sym->attr.pointer) + if (formal && formal->sym->attr.pointer + && arg->expr->expr_type != EXPR_NULL) { /* Scalar pointer dummy args require an extra level of - indirection. */ + indirection. The null pointer already contains + this level of indirection. */ parmse.expr = gfc_build_addr_expr (NULL, parmse.expr); } } |