Fix PR debug/43937

Submitted by Eric Botcazou on Sept. 13, 2010, 9:02 p.m.

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Message ID 201009132302.12265.ebotcazou@adacore.com
State New
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Commit Message

Eric Botcazou Sept. 13, 2010, 9:02 p.m.
This fixes the regression

FAIL: gcc.dg/guality/inline-params.c  -O1  execution test

introduced a few months ago by the uniquization of constants at the Tree 
level.  We need to mark the new symbol attached to these constants as written, 
like the expression, when it is output for the sake of the DWARF back-end.

Bootstrapped/regtested on x86-64-suse-linux, applied on the mainline as 
obvious.


2010-09-13  Eric Botcazou  <ebotcazou@adacore.com>

	PR debug/43937
	* varasm.c (output_constant_def_contents): Set TREE_ASM_WRITTEN on
	the DECL as well.

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Index: varasm.c
===================================================================
--- varasm.c	(revision 164211)
+++ varasm.c	(working copy)
@@ -3115,7 +3115,7 @@  output_constant_def_contents (rtx symbol
   output_addressed_constants (exp);
 
   /* We are no longer deferring this constant.  */
-  TREE_ASM_WRITTEN (exp) = 1;
+  TREE_ASM_WRITTEN (decl) = TREE_ASM_WRITTEN (exp) = 1;
 
   /* If the constant is part of an object block, make sure that the
      decl has been positioned within its block, but do not write out