handle VIEW_CONVERT_EXPR in debug_node

[Ulrich Drepper]

I am using debug_node() to emit the tree of functions for later
processing.  For this I need all the information to be present.  So far
I came across one expression type that isn't handled correctly.  For
VIEW_CONVERT_EXPR only the type value is printed, not the first tree
operand.  The following patch fixes this.

OK?

2019-11-12  Ulrich Drepper  <drep...@redhat.com>

        * tree-dump.c (dequeue_and_dump): Print first tree operand
        for VIEW_CONVERT_EXPR.

diff --git a/gcc/tree-dump.c b/gcc/tree-dump.c
index 51c0965861f..83eb29b7e2b 100644
--- a/gcc/tree-dump.c
+++ b/gcc/tree-dump.c
@@ -561,6 +561,7 @@ dequeue_and_dump (dump_info_p di)
     case ADDR_EXPR:
     case INDIRECT_REF:
     case CLEANUP_POINT_EXPR:
+    case VIEW_CONVERT_EXPR:
     case SAVE_EXPR:
     case REALPART_EXPR:
     case IMAGPART_EXPR:

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