*** empty log message ***

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@1233 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ginclude/va-sparc.h b/gcc/ginclude/va-sparc.h
index e199e1c..2afc3c4 100644 (file)
--- a/gcc/ginclude/va-sparc.h
+++ b/gcc/ginclude/va-sparc.h
@@ -48,6 +48,8 @@ typedef void * __va___list;
    passed by invisible reference.  ??? RECORD_TYPE args passed
    in the stack are made to be word-aligned; for an aggregate that is
    not word-aligned, we advance the pointer to the first non-reg slot.  */
+/* We don't declare the union member `d' to have type TYPE
+   because that would lose in C++ if TYPE has a constructor.  */
 #define va_arg(pvar,TYPE)                                      \
 __extension__                                                  \
 ({ TYPE __va_temp;                                             \
@@ -55,10 +57,10 @@ __extension__                                                       \
     ? ((pvar) += __va_rounded_size (TYPE *),                   \
        **(TYPE **) ((pvar) - __va_rounded_size (TYPE *)))      \
     : __va_rounded_size (TYPE) == 8                            \
-    ? ({ union {TYPE d; int i[2];} u;                          \
-        u.i[0] = ((int *) (pvar))[0];                          \
-        u.i[1] = ((int *) (pvar))[1];                          \
+    ? ({ union {char __d[sizeof (TYPE)]; int __i[2];} __u;     \
+        __u.__i[0] = ((int *) (pvar))[0];                      \
+        __u.__i[1] = ((int *) (pvar))[1];                      \
         (pvar) += 8;                                           \
-        u.d; })                                                \
+        *(TYPE *)__u.__d; })                                   \
     : ((pvar) += __va_rounded_size (TYPE),                     \
        *((TYPE *) ((pvar) - __va_rounded_size (TYPE)))));})