re PR tree-optimization/77719 (ICE in pp_string, at pretty-print.c:955)

Fix PR77719
gcc/testsuite/ChangeLog:

2016-09-26  Kugan Vivekanandarajah  <kuganv@linaro.org>

	PR middle-end/77719
	* gfortran.dg/pr77719.f90: New test.

gcc/ChangeLog:

2016-09-26  Kugan Vivekanandarajah  <kuganv@linaro.org>

	PR middle-end/77719
	* tree-ssa-reassoc.c (make_new_ssa_for_def): Use gimple_get_lhs to get lhs
	instead of gimple_assign_lhs as stmt can be builtins too.

From-SVN: r240505

gcc/ChangeLog

+2016-09-26  Kugan Vivekanandarajah  <kuganv@linaro.org>
+
+	PR middle-end/77719
+	* tree-ssa-reassoc.c (make_new_ssa_for_def): Use gimple_get_lhs to get lhs
+	instead of gimple_assign_lhs as stmt can be builtins too.
+
 2016-09-26  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 
 	* tree.h (memmodel_from_int, memmodel_base, is_mm_relaxed,

gcc/testsuite/ChangeLog

+2016-09-26  Kugan Vivekanandarajah  <kuganv@linaro.org>
+
+	PR middle-end/77719
+	* gfortran.dg/pr77719.f90: New test.
+
 2016-09-26  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 
 	* gcc.dg/tree-ssa/builtin-sprintf-warn-1.c: Adjust regex to accept

gcc/testsuite/gfortran.dg/pr77719.f90

+! PR middle-end/77719
+! { dg-do compile }
+! { dg-options "-O3 -ffast-math" }
+
+SUBROUTINE urep_egr(erep,derep,surr)
+  INTEGER, PARAMETER :: dp=8
+  REAL(dp), INTENT(inout)                  :: erep, derep(3)
+  REAL(dp), INTENT(in)                     :: surr(2)
+  REAL(dp)                                 :: de_z, rz
+  INTEGER :: isp,spdim,jsp,nsp
+  IF (n_urpoly > 0) THEN
+    IF (r < spxr(1,1)) THEN
+      ispg: DO isp = 1,spdim ! condition ca)
+        IF (isp /= spdim) THEN
+          nsp = 5 ! condition cb
+          DO jsp = 0,nsp
+            IF( jsp <= 3 ) THEN
+            ELSE
+              erep = erep + surr(jsp-3)*rz**(jsp)
+            ENDIF
+          END DO
+        END IF
+      END DO ispg
+    END IF
+  END IF
+END SUBROUTINE urep_egr

gcc/tree-ssa-reassoc.c

@@ -1158,7 +1158,7 @@ make_new_ssa_for_def (gimple *stmt)
   use_operand_p use;
   imm_use_iterator iter;
   tree new_lhs;
-  tree lhs = gimple_assign_lhs (stmt);
+  tree lhs = gimple_get_lhs (stmt);
 
   new_lhs = make_ssa_name (TREE_TYPE (lhs));
   gimple_set_lhs (stmt, new_lhs);