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| author | Jason Merrill <jason@redhat.com> | 2013-02-09 15:39:13 -0500 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2013-02-09 15:39:13 -0500 |
| commit | 25976b7f5db1a648cb9a6d5ec389eb2706189421 (patch) | |
| tree | 3af11142b110b4f44702d237e207200670573e4e /gcc/cp/tree.c | |
| parent | 8d40d877c01a2ab5ad2350cdc284660b36618f95 (diff) | |
| download | gcc-25976b7f5db1a648cb9a6d5ec389eb2706189421.zip gcc-25976b7f5db1a648cb9a6d5ec389eb2706189421.tar.gz gcc-25976b7f5db1a648cb9a6d5ec389eb2706189421.tar.bz2 | |
re PR c++/56247 (internal compiler error: in tsubst_copy, at cp/pt.c:12131)
PR c++/56247
* pt.c (eq_specializations): Set comparing_specializations.
* tree.c (cp_tree_equal): Check it.
* cp-tree.h: Declare it.
From-SVN: r195922
Diffstat (limited to 'gcc/cp/tree.c')
| -rw-r--r-- | gcc/cp/tree.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/cp/tree.c b/gcc/cp/tree.c index 18d9a98..0b033c2 100644 --- a/gcc/cp/tree.c +++ b/gcc/cp/tree.c @@ -2580,6 +2580,13 @@ cp_tree_equal (tree t1, tree t2) with an out-of-class definition of the function, but can also come up for expressions that involve 'this' in a member function template. */ + + if (comparing_specializations) + /* When comparing hash table entries, only an exact match is + good enough; we don't want to replace 'this' with the + version from another function. */ + return false; + if (same_type_p (TREE_TYPE (t1), TREE_TYPE (t2))) { if (DECL_ARTIFICIAL (t1) ^ DECL_ARTIFICIAL (t2)) |