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| author | Jan Hubicka <jh@suse.cz> | 2011-06-04 18:20:36 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2011-06-04 16:20:36 +0000 |
| commit | 26740835ec4e0049bf26b98cea017e1d9ce888b0 (patch) | |
| tree | 08154b04ddcdd9c66f3ff68d546a4ce4f075c4d5 | |
| parent | 014ab419efc12a59efebd2720d79e1c055675c85 (diff) | |
| download | gcc-26740835ec4e0049bf26b98cea017e1d9ce888b0.zip gcc-26740835ec4e0049bf26b98cea017e1d9ce888b0.tar.gz gcc-26740835ec4e0049bf26b98cea017e1d9ce888b0.tar.bz2 | |
re PR lto/48954 (ICE: SIGSEGV in bitmap_count_bits (bitmap.c:719) with -O2 -flto -fno-early-inlining -fkeep-inline-functions)
PR lto/48954
* lto-cgraph.c (output_node_opt_summary): Handle NULL skip args bitmaps.
* g++.dg/torture/pr48954.C: New testcase.
From-SVN: r174644
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/lto-cgraph.c | 26 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/torture/pr48954.C | 28 |
4 files changed, 56 insertions, 8 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ddfb4f9..5fdd07c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2011-06-04 Jan Hubicka <jh@suse.cz> + + PR lto/48954 + * lto-cgraph.c (output_node_opt_summary): Handle NULL skip args bitmaps. + 2011-06-04 Jonathan Wakely <jwakely.gcc@gmail.com> * doc/invoke.texi: Document -Wdelete-non-virtual-dtor. diff --git a/gcc/lto-cgraph.c b/gcc/lto-cgraph.c index 1d2f92e..3b1115b 100644 --- a/gcc/lto-cgraph.c +++ b/gcc/lto-cgraph.c @@ -1598,14 +1598,24 @@ output_node_opt_summary (struct output_block *ob, int i; struct cgraph_edge *e; - lto_output_uleb128_stream (ob->main_stream, - bitmap_count_bits (node->clone.args_to_skip)); - EXECUTE_IF_SET_IN_BITMAP (node->clone.args_to_skip, 0, index, bi) - lto_output_uleb128_stream (ob->main_stream, index); - lto_output_uleb128_stream (ob->main_stream, - bitmap_count_bits (node->clone.combined_args_to_skip)); - EXECUTE_IF_SET_IN_BITMAP (node->clone.combined_args_to_skip, 0, index, bi) - lto_output_uleb128_stream (ob->main_stream, index); + if (node->clone.args_to_skip) + { + lto_output_uleb128_stream (ob->main_stream, + bitmap_count_bits (node->clone.args_to_skip)); + EXECUTE_IF_SET_IN_BITMAP (node->clone.args_to_skip, 0, index, bi) + lto_output_uleb128_stream (ob->main_stream, index); + } + else + lto_output_uleb128_stream (ob->main_stream, 0); + if (node->clone.combined_args_to_skip) + { + lto_output_uleb128_stream (ob->main_stream, + bitmap_count_bits (node->clone.combined_args_to_skip)); + EXECUTE_IF_SET_IN_BITMAP (node->clone.combined_args_to_skip, 0, index, bi) + lto_output_uleb128_stream (ob->main_stream, index); + } + else + lto_output_uleb128_stream (ob->main_stream, 0); lto_output_uleb128_stream (ob->main_stream, VEC_length (ipa_replace_map_p, node->clone.tree_map)); FOR_EACH_VEC_ELT (ipa_replace_map_p, node->clone.tree_map, i, map) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 3063992..b88637c 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2011-06-04 Jan Hubicka <jh@suse.cz> + + PR lto/48954 + * g++.dg/torture/pr48954.C: New testcase. + 2011-06-04 Jonathan Wakely <jwakely.gcc@gmail.com> * testsuite/g++.dg/warn/delete-non-virtual-dtor.C: New. diff --git a/gcc/testsuite/g++.dg/torture/pr48954.C b/gcc/testsuite/g++.dg/torture/pr48954.C new file mode 100644 index 0000000..1af0328 --- /dev/null +++ b/gcc/testsuite/g++.dg/torture/pr48954.C @@ -0,0 +1,28 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -flto -fno-early-inlining -fkeep-inline-functions" } */ +struct A +{ + virtual void foo () = 0; +}; + +struct B : A {}; +struct C : A {}; + +struct D: C, B +{ + void foo () {} +}; + +static inline void +bar (B *b) +{ + b->foo (); +} + +int +main () +{ + D d; + for (;;) + bar (&d); +} |