re PR fortran/79229 (ICE in gfc_trans_assignment_1 with -fcheck=mem)

gcc/testsuite/ChangeLog:

2017-02-19  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/79229
	* gfortran.dg/class_allocate_24.f90: New test.


gcc/fortran/ChangeLog:

2017-02-19  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/79229
	* trans-expr.c (gfc_trans_assignment_1): Deref indirect refs when
	compiling with -fcheck=mem to check the pointer and not the data.

From-SVN: r245581

gcc/fortran/ChangeLog

@@ -7,6 +7,12 @@
 
 2017-02-19  Andre Vehreschild  <vehre@gcc.gnu.org>
 
+	PR fortran/79229
+	* trans-expr.c (gfc_trans_assignment_1): Deref indirect refs when
+	compiling with -fcheck=mem to check the pointer and not the data.
+
+2017-02-19  Andre Vehreschild  <vehre@gcc.gnu.org>
+
 	PR fortran/79335
 	* trans-array.c (duplicate_allocatable_coarray): Ensure attributes
 	passed are properly initialized.

gcc/fortran/trans-expr.c

@@ -9961,13 +9961,16 @@ gfc_trans_assignment_1 (gfc_expr * expr1, gfc_expr * expr2, bool init_flag,
 	  tree cond;
 	  const char* msg;
 
+	  tmp = INDIRECT_REF_P (lse.expr)
+	      ? gfc_build_addr_expr (NULL_TREE, lse.expr) : lse.expr;
+
 	  /* We should only get array references here.  */
-	  gcc_assert (TREE_CODE (lse.expr) == POINTER_PLUS_EXPR
-		      || TREE_CODE (lse.expr) == ARRAY_REF);
+	  gcc_assert (TREE_CODE (tmp) == POINTER_PLUS_EXPR
+		      || TREE_CODE (tmp) == ARRAY_REF);
 
 	  /* 'tmp' is either the pointer to the array(POINTER_PLUS_EXPR)
 	     or the array itself(ARRAY_REF).  */
-	  tmp = TREE_OPERAND (lse.expr, 0);
+	  tmp = TREE_OPERAND (tmp, 0);
 
 	  /* Provide the address of the array.  */
 	  if (TREE_CODE (lse.expr) == ARRAY_REF)

gcc/testsuite/ChangeLog

+2017-02-19  Andre Vehreschild  <vehre@gcc.gnu.org>
+
+	PR fortran/79229
+	* gfortran.dg/class_allocate_24.f90: New test.
+
 2017-02-19  Paul Thomas  <pault@gcc.gnu.org>
 
 	PR fortran/79402

gcc/testsuite/gfortran.dg/class_allocate_24.f90

+! { dg-do compile }
+! { dg-options "-fcheck=mem" }
+! 
+! Compile time check only, to test that the ICE is fixed in the assignment of the
+! default initializer of the class to sf.
+
+implicit none
+
+type :: t
+  integer, pointer :: data => null ()
+end type
+
+class(t), dimension(:), allocatable :: sf
+allocate (t :: sf (1))
+end
+