From f322b423194007ef5a08daa69a8301739b63fa88 Mon Sep 17 00:00:00 2001
From: Richard Henderson <rth@redhat.com>
Date: Wed, 20 Feb 2002 10:34:28 -0800
Subject: [PATCH] re PR c/5615 (ICE in size_binop, at fold-const.c:1914)

        PR c/5615
        * expr.h (ARGS_SIZE_TREE): Convert size.var to ssizetype.

From-SVN: r49904
---
 gcc/ChangeLog                                    | 5 +++++
 gcc/expr.h                                       | 3 ++-
 gcc/testsuite/gcc.c-torture/compile/20020210-1.c | 2 ++
 3 files changed, 9 insertions(+), 1 deletion(-)
 create mode 100644 gcc/testsuite/gcc.c-torture/compile/20020210-1.c

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2b0a2b51989..879ebbd6ce4 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2002-02-20  Richard Henderson  <rth@redhat.com>
+
+	PR c/5615
+	* expr.h (ARGS_SIZE_TREE): Convert size.var to ssizetype.
+
 2002-02-20  Tom Tromey  <tromey@redhat.com>
 
 	* config/fr30/fr30.h (DWARF_LINE_MIN_INSTR_LENGTH): Removed.
diff --git a/gcc/expr.h b/gcc/expr.h
index e5b488aec33..c1ee7f4e1e8 100644
--- a/gcc/expr.h
+++ b/gcc/expr.h
@@ -97,7 +97,8 @@ struct args_size
    of type ssizetype.  */
 #define ARGS_SIZE_TREE(SIZE)					\
 ((SIZE).var == 0 ? ssize_int ((SIZE).constant)			\
- : size_binop (PLUS_EXPR, (SIZE).var, ssize_int ((SIZE).constant)))
+ : size_binop (PLUS_EXPR, convert (ssizetype, (SIZE).var),	\
+	       ssize_int ((SIZE).constant)))
 
 /* Convert the implicit sum in a `struct args_size' into an rtx.  */
 #define ARGS_SIZE_RTX(SIZE)					\
diff --git a/gcc/testsuite/gcc.c-torture/compile/20020210-1.c b/gcc/testsuite/gcc.c-torture/compile/20020210-1.c
new file mode 100644
index 00000000000..5ca27f4f6ca
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/20020210-1.c
@@ -0,0 +1,2 @@
+/* PR c/5615 */
+void f(int a, struct {int b[a];} c) {}