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authorHarald Anlauf <anlauf@gmx.de>2021-10-14 20:19:50 +0200
committerHarald Anlauf <anlauf@gmx.de>2021-10-14 20:19:50 +0200
commitb47490c572c5938f887b54240af6096a7c90f640 (patch)
tree9db7531d1ff5a78e155f275f63fc8ea78ac9f104 /gcc/fortran/simplify.c
parent1b115daf62d94337b3d0b2962b0bbbf005a450e0 (diff)
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Fortran: generate error message for negative elements in SHAPE array
gcc/fortran/ChangeLog: PR fortran/102717 * simplify.c (gfc_simplify_reshape): Replace assert by error message for negative elements in SHAPE array. gcc/testsuite/ChangeLog: PR fortran/102717 * gfortran.dg/reshape_shape_2.f90: New test.
Diffstat (limited to 'gcc/fortran/simplify.c')
-rw-r--r--gcc/fortran/simplify.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/fortran/simplify.c b/gcc/fortran/simplify.c
index f40e493..d675f2c 100644
--- a/gcc/fortran/simplify.c
+++ b/gcc/fortran/simplify.c
@@ -6840,7 +6840,13 @@ gfc_simplify_reshape (gfc_expr *source, gfc_expr *shape_exp,
gfc_extract_int (e, &shape[rank]);
gcc_assert (rank >= 0 && rank < GFC_MAX_DIMENSIONS);
- gcc_assert (shape[rank] >= 0);
+ if (shape[rank] < 0)
+ {
+ gfc_error ("The SHAPE array for the RESHAPE intrinsic at %L has a "
+ "negative value %d for dimension %d",
+ &shape_exp->where, shape[rank], rank+1);
+ return &gfc_bad_expr;
+ }
rank++;
}