re PR fortran/87993 (ICE in gfc_constructor_first, at fortran/constructor.c:234)

2019-08-13  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/87993
	* expr.c (gfc_simplify_expr): Simplifcation of an array with a kind
	type inquiry suffix yields a constant expression.

2019-08-13  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/87993
	* gfortran.dg/pr87993.f90: New test.

From-SVN: r274388

diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 7131d0f..d5e44a7 100644 (file)
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,9 @@
+2019-08-13  Steven G. Kargl  <kargl@gcc.gnu.org>
+
+       PR fortran/87993
+       * expr.c (gfc_simplify_expr): Simplifcation of an array with a kind
+       type inquiry suffix yields a constant expression.
+
 2019-08-13  Janne Blomqvist  <jb@gcc.gnu.org>
 
         PR fortran/91414

diff --git a/gcc/fortran/expr.c b/gcc/fortran/expr.c
index 900242d..4516094 100644 (file)
--- a/gcc/fortran/expr.c
+++ b/gcc/fortran/expr.c
@@ -2227,6 +2227,11 @@ gfc_simplify_expr (gfc_expr *p, int type)
       if (!simplify_ref_chain (p->ref, type, &p))
        return false;
 
+      /* If the following conditions hold, we found something like kind type
+        inquiry of the form a(2)%kind while simplify the ref chain.  */
+      if (p->expr_type == EXPR_CONSTANT && !p->ref && !p->rank && !p->shape)
+       return true;
+
       if (!simplify_constructor (p->value.constructor, type))
        return false;
 

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index d577f7e..6f193c7 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2019-08-13  Steven G. Kargl  <kargl@gcc.gnu.org>
+
+       PR fortran/87993
+       * gfortran.dg/pr87993.f90: New test.
+
 2019-08-13  Martin Sebor  <msebor@redhat.com>
 
        PR c/80619

diff --git a/gcc/testsuite/gfortran.dg/pr87993.f90 b/gcc/testsuite/gfortran.dg/pr87993.f90
new file mode 100644 (file)
index 0000000..96d353d
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/pr87993.f90
@@ -0,0 +1,8 @@
+! { dg-do run }
+! Code contributed by Gerhard Steinmetz <gscfq at t-online dot de>
+program p
+   integer, parameter :: a(2) = 1
+   integer, parameter :: b = a%kind
+   if (any(a /= 1)) stop 1
+   if (b /= kind(a)) stop 2
+end