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| author | Harald Anlauf <anlauf@gmx.de> | 2022-12-01 21:16:46 +0100 |
|---|---|---|
| committer | Harald Anlauf <anlauf@gmx.de> | 2022-12-04 20:59:03 +0100 |
| commit | 24b9337d1f1b5197b6498dceb9074319be003449 (patch) | |
| tree | b272a62c90b032a32d92fee89b68948b052606d7 /gcc/fortran/simplify.cc | |
| parent | 98d6e4b6f1011655da19344bc124a3013b9c0134 (diff) | |
| download | gcc-24b9337d1f1b5197b6498dceb9074319be003449.zip gcc-24b9337d1f1b5197b6498dceb9074319be003449.tar.gz gcc-24b9337d1f1b5197b6498dceb9074319be003449.tar.bz2 | |
Fortran: error recovery simplifying UNPACK for insufficient FIELD [PR107922]
gcc/fortran/ChangeLog:
PR fortran/107922
* simplify.cc (gfc_simplify_unpack): Terminate simplification when
array-valued argument FIELD does not provide enough elements.
gcc/testsuite/ChangeLog:
PR fortran/107922
* gfortran.dg/unpack_field_1.f90: New test.
Diffstat (limited to 'gcc/fortran/simplify.cc')
| -rw-r--r-- | gcc/fortran/simplify.cc | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/gcc/fortran/simplify.cc b/gcc/fortran/simplify.cc index b618418..aff9a1b 100644 --- a/gcc/fortran/simplify.cc +++ b/gcc/fortran/simplify.cc @@ -8485,7 +8485,16 @@ gfc_simplify_unpack (gfc_expr *vector, gfc_expr *mask, gfc_expr *field) } } else if (field->expr_type == EXPR_ARRAY) - e = gfc_copy_expr (field_ctor->expr); + { + if (field_ctor) + e = gfc_copy_expr (field_ctor->expr); + else + { + /* Not enough elements in array FIELD. */ + gfc_free_expr (result); + return &gfc_bad_expr; + } + } else e = gfc_copy_expr (field); |