* explow.c (set_mem_attributes): Do nothing for NULL type.

From-SVN: r34523

* explow.c (set_mem_attributes): Do nothing for NULL type.
From-SVN: r34523
be8d9ace · Richard Henderson · Richard Henderson · f8bc3f3a · be8d9ace · be8d9ace
Commit be8d9ace authored Jun 13, 2000 by Richard Henderson Committed by Richard Henderson Jun 13, 2000
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gcc/ChangeLog
+4 -0

gcc/explow.c
+9 -1

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+2000-06-13  Richard Henderson  <rth@cygnus.com>
+
+	* explow.c (set_mem_attributes): Do nothing for NULL type.
+
 Tue Jun 13 14:45:10 2000  Jeffrey A Law  (law@cygnus.com)

 	* config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler

--- a/gcc/explow.c
+++ b/gcc/explow.c
@@ -659,7 +659,15 @@ set_mem_attributes (ref, t, objectp)
     tree t;
     int objectp;
 {
-  tree type = TYPE_P (t) ? t : TREE_TYPE (t);
+  tree type;
+
+  /* It can happen that type_for_mode was given a mode for which there
+     is no language-level type.  In which case it returns NULL, which
+     we can see here.  */
+  if (t == NULL_TREE)
+    return;
+
+  type = TYPE_P (t) ? t : TREE_TYPE (t);

  /* Get the alias set from the expression or type (perhaps using a
     front-end routine) and then copy bits from the type.  */