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authorSteven G. Kargl <kargl@gcc.gnu.org>2019-10-11 17:41:29 +0000
committerSteven G. Kargl <kargl@gcc.gnu.org>2019-10-11 17:41:29 +0000
commitc988c699fa09c91485afa24526f965e3fd4269d6 (patch)
treefc6d165dafb5b3e327bb75cb55969d6c0b3b1cff
parentfe2bc27cdb6d572da0163d77e787ba644b400753 (diff)
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re PR fortran/92019 (ICE in find_inquiry_ref, at expr.c:1790)
2019-10-11 Steven G. Kargl <kargl@gcc.gnu.org> PR fortran/92019 * array.c (match_subscript): BOZ cannot be an array subscript. 2019-10-11 Steven G. Kargl <kargl@gcc.gnu.org> PR fortran/92019 * gfortran.dg/pr92019.f90: New test. From-SVN: r276897
-rw-r--r--gcc/fortran/ChangeLog5
-rw-r--r--gcc/fortran/array.c21
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gfortran.dg/pr92019.f909
4 files changed, 39 insertions, 1 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 5aeacc1..47b2061 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,8 @@
+2019-10-11 Steven G. Kargl <kargl@gcc.gnu.org>
+
+ PR fortran/92019
+ * array.c (match_subscript): BOZ cannot be an array subscript.
+
2019-10-11 Tobias Burnus <tobias@codesourcery.com>
PR fortran/92050
diff --git a/gcc/fortran/array.c b/gcc/fortran/array.c
index 3a504eb..cbeece4 100644
--- a/gcc/fortran/array.c
+++ b/gcc/fortran/array.c
@@ -66,6 +66,7 @@ match_subscript (gfc_array_ref *ar, int init, bool match_star)
match m = MATCH_ERROR;
bool star = false;
int i;
+ bool saw_boz = false;
i = ar->dimen + ar->codimen;
@@ -91,6 +92,12 @@ match_subscript (gfc_array_ref *ar, int init, bool match_star)
else if (!star)
m = gfc_match_expr (&ar->start[i]);
+ if (ar->start[i] && ar->start[i]->ts.type == BT_BOZ)
+ {
+ gfc_error ("Invalid BOZ literal constant used in subscript at %C");
+ saw_boz = true;
+ }
+
if (m == MATCH_NO)
gfc_error ("Expected array subscript at %C");
if (m != MATCH_YES)
@@ -117,6 +124,12 @@ end_element:
else
m = gfc_match_expr (&ar->end[i]);
+ if (ar->end[i] && ar->end[i]->ts.type == BT_BOZ)
+ {
+ gfc_error ("Invalid BOZ literal constant used in subscript at %C");
+ saw_boz = true;
+ }
+
if (m == MATCH_ERROR)
return MATCH_ERROR;
@@ -132,6 +145,12 @@ end_element:
m = init ? gfc_match_init_expr (&ar->stride[i])
: gfc_match_expr (&ar->stride[i]);
+ if (ar->stride[i] && ar->stride[i]->ts.type == BT_BOZ)
+ {
+ gfc_error ("Invalid BOZ literal constant used in subscript at %C");
+ saw_boz = true;
+ }
+
if (m == MATCH_NO)
gfc_error ("Expected array subscript stride at %C");
if (m != MATCH_YES)
@@ -142,7 +161,7 @@ matched:
if (star)
ar->dimen_type[i] = DIMEN_STAR;
- return MATCH_YES;
+ return (saw_boz ? MATCH_ERROR : MATCH_YES);
}
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 2459275..6c6a077 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2019-10-11 Steven G. Kargl <kargl@gcc.gnu.org>
+
+ PR fortran/92019
+ * gfortran.dg/pr92019.f90: New test.
+
2019-10-11 Joseph Myers <joseph@codesourcery.com>
* gcc.dg/dfp/c11-keywords-1.c, gcc.dg/dfp/c11-keywords-2.c,
diff --git a/gcc/testsuite/gfortran.dg/pr92019.f90 b/gcc/testsuite/gfortran.dg/pr92019.f90
new file mode 100644
index 0000000..488774b
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/pr92019.f90
@@ -0,0 +1,9 @@
+! { dg-do compile }
+! PR fortran/92019
+program foo
+ integer :: a(4) = [1, 2, 3, 4]
+ print *, a(z'1') ! { dg-error "Invalid BOZ literal constant" }
+ print *, a(1:z'3') ! { dg-error "Invalid BOZ literal constant" }
+ print *, a(1:2:z'2') ! { dg-error "Invalid BOZ literal constant" }
+ print *, a([z'2',z'1']) ! { dg-error "cannot appear in an array constructor" }
+end program foo