Merge lp:~yao-codesourcery/gcc-linaro/fix-lp-623945 into lp:gcc-linaro/4.5

[Yao Qi]

This patch is approved upstreams http://gcc.gnu.org/ml/gcc-patches/2010-10/msg01182.html
and committed to FSF gcc mailine http://gcc.gnu.org/ml/gcc-cvs/2010-10/msg00677.html

Backport this patch to Linaro 4.5 to fix ICE reported in LP:623945. Didn't run regression test on Linaro tree.

[Andrew Stubbs (ams-codesourcery)]

Look s fine to me. I'll merge it myself along with the other patches I have to test.

review: Approve

=== modified file 'ChangeLog.linaro'
--- ChangeLog.linaro	2010-10-14 11:54:23 +0000
+++ ChangeLog.linaro	2010-10-15 06:36:08 +0000
@@ -1,3 +1,18 @@
[phone]  Yao Qi  <[e-mail]>
+
+	Backport from mainline:
+
+	2010-10-14  Yao Qi  <[e-mail]>
+
+	gcc/
+        PR target/45447
+        * config/arm/arm.c (arm_build_builtin_va_list): Assign
+        va_list_name to TYPE_STUB_DECL (va_list_type).
+
+	gcc/testsuite/
+	PR target/45447
+        * gcc.target/arm/pr45447.c: New test.
+
 2010-10-13  Chung-Lin Tang  <[e-mail]>
 
 	Backport from mainline:

=== modified file 'gcc/config/arm/arm.c'
--- gcc/config/arm/arm.c	2010-10-14 11:34:20 +0000
+++ gcc/config/arm/arm.c	2010-10-15 06:36:08 +0000
@@ -1166,6 +1166,7 @@
 			     va_list_type);
   DECL_ARTIFICIAL (va_list_name) = 1;
   TYPE_NAME (va_list_type) = va_list_name;
+  TYPE_STUB_DECL (va_list_type) = va_list_name;
   /* Create the __ap field.  */
   ap_field = build_decl (BUILTINS_LOCATION,
 			 FIELD_DECL, 

=== added file 'gcc/testsuite/gcc.target/arm/pr45447.c'
--- gcc/testsuite/gcc.target/arm/pr45447.c	1970-01-01 00:00:00 +0000
+++ gcc/testsuite/gcc.target/arm/pr45447.c	2010-10-15 06:36:08 +0000
@@ -0,0 +1,3 @@
+/* { dg-do compile } */
+/* { dg-options "-g -femit-struct-debug-baseonly" } */
+typedef __builtin_va_list x;