aboutsummaryrefslogtreecommitdiff
path: root/gcc
diff options
context:
space:
mode:
authorSteven G. Kargl <kargl@gcc.gnu.org>2018-12-15 22:53:26 +0000
committerSteven G. Kargl <kargl@gcc.gnu.org>2018-12-15 22:53:26 +0000
commite310b38153d15c6d3ae9686eb38b6629f0f93393 (patch)
tree419395b51f331c4c4ae904af423d80756be31a25 /gcc
parent54d04ce91ae8e6a2d647200f9443556e6fadc9e2 (diff)
downloadgcc-e310b38153d15c6d3ae9686eb38b6629f0f93393.zip
gcc-e310b38153d15c6d3ae9686eb38b6629f0f93393.tar.gz
gcc-e310b38153d15c6d3ae9686eb38b6629f0f93393.tar.bz2
re PR fortran/88138 (ICE in gfc_arith_concat, at fortran/arith.c:1007)
2019-12-15 Steven G. Kargl <kargl@gcc.gnu.org> PR fortran/88138 * decl.c (variable_decl): Check that a derived isn't being assigned an incompatible entity in an initialization. 2019-12-15 Steven G. Kargl <kargl@gcc.gnu.org> PR fortran/88138 * gfortran.dg/pr88138.f90: new test. From-SVN: r267177
Diffstat (limited to 'gcc')
-rw-r--r--gcc/fortran/ChangeLog6
-rw-r--r--gcc/fortran/decl.c16
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gfortran.dg/pr88138.f909
4 files changed, 36 insertions, 0 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index bb3da68..2fe463a 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,9 @@
+2019-12-15 Steven G. Kargl <kargl@gcc.gnu.org>
+
+ PR fortran/88138
+ * decl.c (variable_decl): Check that a derived isn't being assigned
+ an incompatible entity in an initialization.
+
2018-12-12 Jakub Jelinek <jakub@redhat.com>
PR fortran/88463
diff --git a/gcc/fortran/decl.c b/gcc/fortran/decl.c
index 6bc78cc..78555ce 100644
--- a/gcc/fortran/decl.c
+++ b/gcc/fortran/decl.c
@@ -2784,6 +2784,22 @@ variable_decl (int elem)
param->value = gfc_copy_expr (initializer);
}
+ /* Before adding a possible initilizer, do a simple check for compatibility
+ of lhs and rhs types. Assigning a REAL value to a derive type is not a
+ good thing. */
+ if (current_ts.type == BT_DERIVED && initializer
+ && (gfc_numeric_ts (&initializer->ts)
+ || initializer->ts.type == BT_LOGICAL
+ || initializer->ts.type == BT_CHARACTER))
+ {
+ gfc_error ("Incompatible initialization between a derive type "
+ "entity and an entity with %qs type at %C",
+ gfc_typename (&initializer->ts));
+ m = MATCH_ERROR;
+ goto cleanup;
+ }
+
+
/* Add the initializer. Note that it is fine if initializer is
NULL here, because we sometimes also need to check if a
declaration *must* have an initialization expression. */
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index d815e70..d97f9d0 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2019-12-15 Steven G. Kargl <kargl@gcc.gnu.org>
+
+ PR fortran/88138
+ * gfortran.dg/pr88138.f90: new test.
+
2018-12-15 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/88464
diff --git a/gcc/testsuite/gfortran.dg/pr88138.f90 b/gcc/testsuite/gfortran.dg/pr88138.f90
new file mode 100644
index 0000000..04b826c
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/pr88138.f90
@@ -0,0 +1,9 @@
+! { dg-do compile }
+program p
+ type t
+ character :: c = 'c'
+ end type
+ type(t), parameter :: x = 1.e1 ! { dg-error "Incompatible initialization between a" }s
+ print *, 'a' // x%c
+end
+! { dg-prune-output "has no IMPLICIT type" }