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authorHarald Anlauf <anlauf@gmx.de>2022-09-27 20:54:28 +0200
committerHarald Anlauf <anlauf@gmx.de>2022-09-27 21:39:40 +0200
commit78bc6497fc61bbdacfb416ee0246a775360d9af6 (patch)
tree543d926b6e3888e66f28c45c42d4b28df06137f0 /gcc/fortran/simplify.cc
parente73d9fcafbd07bc3714fbaf8a82db71d50015c92 (diff)
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Fortran: error recovery while simplifying intrinsic UNPACK [PR107054]
gcc/fortran/ChangeLog: PR fortran/107054 * simplify.cc (gfc_simplify_unpack): Replace assert by condition that terminates simplification when there are not enough elements in the constructor of argument VECTOR. gcc/testsuite/ChangeLog: PR fortran/107054 * gfortran.dg/pr107054.f90: New test.
Diffstat (limited to 'gcc/fortran/simplify.cc')
-rw-r--r--gcc/fortran/simplify.cc13
1 files changed, 10 insertions, 3 deletions
diff --git a/gcc/fortran/simplify.cc b/gcc/fortran/simplify.cc
index c0fbd0e..6ac92cf 100644
--- a/gcc/fortran/simplify.cc
+++ b/gcc/fortran/simplify.cc
@@ -8458,9 +8458,16 @@ gfc_simplify_unpack (gfc_expr *vector, gfc_expr *mask, gfc_expr *field)
{
if (mask_ctor->expr->value.logical)
{
- gcc_assert (vector_ctor);
- e = gfc_copy_expr (vector_ctor->expr);
- vector_ctor = gfc_constructor_next (vector_ctor);
+ if (vector_ctor)
+ {
+ e = gfc_copy_expr (vector_ctor->expr);
+ vector_ctor = gfc_constructor_next (vector_ctor);
+ }
+ else
+ {
+ gfc_free_expr (result);
+ return NULL;
+ }
}
else if (field->expr_type == EXPR_ARRAY)
e = gfc_copy_expr (field_ctor->expr);