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| author | Andi Kleen <ak@linux.intel.com> | 2017-12-11 16:13:53 +0000 |
|---|---|---|
| committer | Andi Kleen <ak@gcc.gnu.org> | 2017-12-11 16:13:53 +0000 |
| commit | ad3f54ab8e70aba72eb278d12d5e3c5d8b0de912 (patch) | |
| tree | 282ac512ba37da0ef146f2f06023ddd149dd17e4 /gcc/auto-profile.c | |
| parent | 46bb9d29d3017715a7dbb9477612aff06f8c0994 (diff) | |
| download | gcc-ad3f54ab8e70aba72eb278d12d5e3c5d8b0de912.zip gcc-ad3f54ab8e70aba72eb278d12d5e3c5d8b0de912.tar.gz gcc-ad3f54ab8e70aba72eb278d12d5e3c5d8b0de912.tar.bz2 | |
Fix stack overflow with autofdo (PR83355)
g++.dg/bprob* is failing currently with autofdo.
Running in gdb shows that there is a very deep recursion in get_index_by_decl until it
overflows the stack.
gcc/:
2017-12-11 Andi Kleen <ak@linux.intel.com>
PR gcov-profile/83355
* auto-profile.c (string_table::get_index_by_decl): Don't
recurse when abstract origin points to itself.
From-SVN: r255540
Diffstat (limited to 'gcc/auto-profile.c')
| -rw-r--r-- | gcc/auto-profile.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/auto-profile.c b/gcc/auto-profile.c index 5134a79..403709b 100644 --- a/gcc/auto-profile.c +++ b/gcc/auto-profile.c @@ -477,7 +477,7 @@ string_table::get_index_by_decl (tree decl) const ret = get_index (lang_hooks.dwarf_name (decl, 0)); if (ret != -1) return ret; - if (DECL_ABSTRACT_ORIGIN (decl)) + if (DECL_ABSTRACT_ORIGIN (decl) && DECL_ABSTRACT_ORIGIN (decl) != decl) return get_index_by_decl (DECL_ABSTRACT_ORIGIN (decl)); return -1; |