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| author | Jan Hubicka <jh@suse.cz> | 2011-04-17 18:37:07 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2011-04-17 16:37:07 +0000 |
| commit | 2e9bb6ba99ec7db9f88a44dfec42c84ec1c7ea30 (patch) | |
| tree | c5e214518a3d4cc5f9e7d0ab4113b820716872a6 /gcc/gimple-fold.c | |
| parent | beb628e13b6193f1fde902d8b20a8339d6dc4b10 (diff) | |
| download | gcc-2e9bb6ba99ec7db9f88a44dfec42c84ec1c7ea30.zip gcc-2e9bb6ba99ec7db9f88a44dfec42c84ec1c7ea30.tar.gz gcc-2e9bb6ba99ec7db9f88a44dfec42c84ec1c7ea30.tar.bz2 | |
re PR middle-end/20991 (ICE in cgraph_mark_reachable_node)
* cgraph.c (cgraph_clone_node): Do not handle vtable_method
* cgraph.h (struct cgraph_local_info): Drop vtable_method.
* cgraphunit.c (cgraph_copy_node_for_versioning): Drop vtable_method.
* lto-cgraph.c (lto_output_node, input_overwrite_node): Drop vtable method.
* gimple-fold.c (can_refer_decl_in_current_unit_p): Mention PR20991 in
gimple-fold.c
* varasm.c (mark_decl_referenced): Drop vtable_method handling code.
* cp/class.c (cp_fold_obj_type_ref): Drop vtable_method.
From-SVN: r172613
Diffstat (limited to 'gcc/gimple-fold.c')
| -rw-r--r-- | gcc/gimple-fold.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/gimple-fold.c b/gcc/gimple-fold.c index f1eb98e..f629fd5 100644 --- a/gcc/gimple-fold.c +++ b/gcc/gimple-fold.c @@ -80,7 +80,10 @@ can_refer_decl_in_current_unit_p (tree decl) return true; /* We are not at ltrans stage; so don't worry about WHOPR. Also when still gimplifying all referred comdat functions will be - produced. */ + produced. + ??? as observed in PR20991 for already optimized out comdat virtual functions + we may not neccesarily give up because the copy will be output elsewhere when + corresponding vtable is output. */ if (!flag_ltrans && (!DECL_COMDAT (decl) || !cgraph_function_flags_ready)) return true; /* If we already output the function body, we are safe. */ |