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authorJason Merrill <jason@redhat.com>2014-05-28 12:38:23 -0400
committerJason Merrill <jason@gcc.gnu.org>2014-05-28 12:38:23 -0400
commitd67ff7b75deab58eaac2edccafbc55d32f60ed0d (patch)
tree53efc05fb878998b2cf66e3d30efe41a6bfd5650 /gcc/cp/mangle.c
parenta41acf5f3e06afa2790ff826b16ccccf1959842c (diff)
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re PR c++/47202 (Endless recursion during mangling)
PR c++/47202 gcc/cp/ * decl.c (cxx_comdat_group): Return a decl. * optimize.c (cdtor_comdat_group): Get its DECL_ASSEMBLER_NAME. gcc/ * cgraph.h (symtab_node::get_comdat_group_id): New. * cgraphunit.c (analyze_functions): Call it. * symtab.c (dump_symtab_node): Likewise. * tree.c (decl_comdat_group_id): New. * tree.h: Declare it. * lto-streamer-out.c (write_symbol): Use it. * trans-mem.c (ipa_tm_create_version_alias): Likewise. From-SVN: r211026
Diffstat (limited to 'gcc/cp/mangle.c')
-rw-r--r--gcc/cp/mangle.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/cp/mangle.c b/gcc/cp/mangle.c
index 4205fec..1b2c2cd 100644
--- a/gcc/cp/mangle.c
+++ b/gcc/cp/mangle.c
@@ -3520,7 +3520,11 @@ mangle_decl (const tree decl)
if (vague_linkage_p (decl))
DECL_WEAK (alias) = 1;
if (TREE_CODE (decl) == FUNCTION_DECL)
- cgraph_same_body_alias (cgraph_get_create_node (decl), alias, decl);
+ {
+ /* Don't create an alias to an unreferenced function. */
+ if (struct cgraph_node *n = cgraph_get_node (decl))
+ cgraph_same_body_alias (n, alias, decl);
+ }
else
varpool_extra_name_alias (alias, decl);
#endif