* gcc.c-torture/compile/20030704-1.c: Add a comment.

From-SVN: r69122

gcc/testsuite/ChangeLog

@@ -1,3 +1,7 @@
+2003-07-08  Kazu Hirata  <kazu@cs.umass.edu>
+
+	* gcc.c-torture/compile/20030704-1.c: Add a comment.
+
 2003-07-08  Roger Sayle  <roger@eyesopen.com>
 
 	PR c/11370

gcc/testsuite/gcc.c-torture/compile/20030704-1.c

@@ -1,5 +1,11 @@
 /* PR c/11428.  */
 
+/* fold_single_bit_test() failed to return a tree of the type that the
+   outer expression was looking for.  Specifically, it returned a tree
+   whose type corresponded to QImode for !p->m, but the desired result
+   type was int, which corresponded to SImode.  emit_move_insn() later
+   tried to copy a reg:QI to reg:SI, causing an ICE.  */
+
 struct s {
   int m : 1;
 };