aboutsummaryrefslogtreecommitdiff
path: root/gcc/fortran
diff options
context:
space:
mode:
authorThomas Koenig <tkoenig@gcc.gnu.org>2018-06-06 21:41:29 +0000
committerThomas Koenig <tkoenig@gcc.gnu.org>2018-06-06 21:41:29 +0000
commit9658d116f335629a3fae673474412cf8044d3d3e (patch)
treecf424c5bd45816ab5d8c05cc95c18f6595632012 /gcc/fortran
parentc63f44a8d7361a32004f0114daff3670ffc424d7 (diff)
downloadgcc-9658d116f335629a3fae673474412cf8044d3d3e.zip
gcc-9658d116f335629a3fae673474412cf8044d3d3e.tar.gz
gcc-9658d116f335629a3fae673474412cf8044d3d3e.tar.bz2
re PR fortran/85641 (ICE with string concatenate)
2018-06-06 Thomas Koenig <tkoenig@gcc.gnu.org> PR fortran/85641 * frontend-passes.c (is_fe_temp): Add prototype. (realloc_string_callback): Early return for frontend-generated temporary. 2018-06-06 Thomas Koenig <tkoenig@gcc.gnu.org> PR fortran/85641 * gfortran.dg/realloc_on_assign_30.f90: New test. From-SVN: r261248
Diffstat (limited to 'gcc/fortran')
-rw-r--r--gcc/fortran/ChangeLog7
-rw-r--r--gcc/fortran/frontend-passes.c5
2 files changed, 12 insertions, 0 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 23a4065..e69ff8e 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,10 @@
+2018-06-06 Thomas Koenig <tkoenig@gcc.gnu.org>
+
+ PR fortran/85641
+ * frontend-passes.c (is_fe_temp): Add prototype.
+ (realloc_string_callback): Early return for frontend-generated
+ temporary.
+
2018-06-05 Cesar Philippidis <cesar@codesourcery.com>
PR fortran/85701
diff --git a/gcc/fortran/frontend-passes.c b/gcc/fortran/frontend-passes.c
index 40e88b1..c13366c 100644
--- a/gcc/fortran/frontend-passes.c
+++ b/gcc/fortran/frontend-passes.c
@@ -57,6 +57,8 @@ static bool has_dimen_vector_ref (gfc_expr *);
static int matmul_temp_args (gfc_code **, int *,void *data);
static int index_interchange (gfc_code **, int*, void *);
+static bool is_fe_temp (gfc_expr *e);
+
#ifdef CHECKING_P
static void check_locus (gfc_namespace *);
#endif
@@ -254,6 +256,9 @@ realloc_string_callback (gfc_code **c, int *walk_subtrees ATTRIBUTE_UNUSED,
|| !expr1->ts.deferred)
return 0;
+ if (is_fe_temp (expr1))
+ return 0;
+
expr2 = gfc_discard_nops (co->expr2);
if (expr2->expr_type == EXPR_VARIABLE)