From 9658d116f335629a3fae673474412cf8044d3d3e Mon Sep 17 00:00:00 2001 From: Thomas Koenig Date: Wed, 6 Jun 2018 21:41:29 +0000 Subject: re PR fortran/85641 (ICE with string concatenate) 2018-06-06 Thomas Koenig 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 PR fortran/85641 * gfortran.dg/realloc_on_assign_30.f90: New test. From-SVN: r261248 --- gcc/fortran/frontend-passes.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'gcc/fortran/frontend-passes.c') 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) -- cgit v1.1