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re PR middle-end/41674 (/usr/ccs/bin/ld: Unsatisfied symbols: _GLOBAL__I_65535_0_main)

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PR middle-end/41674
	* cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
	cdtors, set DECL_PRESERVE_P.
	* ipa.c (cgraph_externally_visible_p): Return true if declaration
	should be preseved.

From-SVN: r157779
This commit is contained in:
John David Anglin 2010-03-27 15:43:19 +00:00 committed by John David Anglin
parent fb6807b860
commit b932b8b1bb
3 changed files with 15 additions and 1 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
PR middle-end/41674
* cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
cdtors, set DECL_PRESERVE_P.
* ipa.c (cgraph_externally_visible_p): Return true if declaration
should be preseved.
2010-03-27 Uros Bizjak <ubizjak@gmail.com>
PR tree-optimization/43528

6
gcc/cgraphunit.c
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@ -1946,7 +1946,11 @@ cgraph_build_static_cdtor (char which, tree body, int priority)
DECL_ARTIFICIAL (decl) = 1;
DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (decl) = 1;
DECL_SAVED_TREE (decl) = body;
TREE_PUBLIC (decl) = ! targetm.have_ctors_dtors;
if (!targetm.have_ctors_dtors)
{
TREE_PUBLIC (decl) = 1;
DECL_PRESERVE_P (decl) = 1;
}
DECL_UNINLINABLE (decl) = 1;
DECL_INITIAL (decl) = make_node (BLOCK);

2
gcc/ipa.c
View File

@ -317,6 +317,8 @@ cgraph_externally_visible_p (struct cgraph_node *node, bool whole_program)
return false;
if (!whole_program)
return true;
if (DECL_PRESERVE_P (node->decl))
return true;
/* COMDAT functions must be shared only if they have address taken,
otherwise we can produce our own private implementation with
-fwhole-program. */