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re PR middle-end/52894 (Stage1 bootstrap fails with gcc-4.6.3: Infinite loop in pointer_set_insert) 

PR middle-end/52894
	* varasm.c (process_pending_assemble_externals): Set
	pending_assemble_externals_processed true.
	(assemble_external): Call assemble_external_real if the pending
	assemble externals have been processed.

From-SVN: r186296
This commit is contained in:
John David Anglin 2012-04-10 22:11:38 +00:00 committed by John David Anglin
parent cee20c6cfb
commit bc2cd95d1d
2 changed files with 20 additions and 0 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
PR middle-end/52894
* varasm.c (process_pending_assemble_externals): Set
pending_assemble_externals_processed true.
(assemble_external): Call assemble_external_real if the pending
assemble externals have been processed.
2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
PR target/52717

12
gcc/varasm.c
View File

@ -2108,6 +2108,11 @@ static GTY(()) tree pending_assemble_externals;
the entire pending_assemble_externals list. See assemble_external(). */
static struct pointer_set_t *pending_assemble_externals_set;
/* Some targets delay some output to final using TARGET_ASM_FILE_END.
As a result, assemble_external can be called after the list of externals
is processed and the pointer set destroyed. */
static bool pending_assemble_externals_processed;
#ifdef ASM_OUTPUT_EXTERNAL
/* True if DECL is a function decl for which no out-of-line copy exists.
It is assumed that DECL's assembler name has been set. */
@ -2160,6 +2165,7 @@ process_pending_assemble_externals (void)
assemble_external_real (TREE_VALUE (list));
pending_assemble_externals = 0;
pending_assemble_externals_processed = true;
pointer_set_destroy (pending_assemble_externals_set);
#endif
}
@ -2201,6 +2207,12 @@ assemble_external (tree decl ATTRIBUTE_UNUSED)
weak_decls = tree_cons (NULL, decl, weak_decls);
#ifdef ASM_OUTPUT_EXTERNAL
if (pending_assemble_externals_processed)
{
assemble_external_real (decl);
return;
}
if (! pointer_set_insert (pending_assemble_externals_set, decl))
pending_assemble_externals = tree_cons (NULL, decl,
pending_assemble_externals);