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| author | Jakub Jelinek <jakub@redhat.com> | 2017-11-15 09:40:32 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2017-11-15 09:40:32 +0100 |
| commit | 65205a116a8d1c076f0709d92acad2453caa1efb (patch) | |
| tree | f2e71fcca17a2b30d31b87b275d57b2ddc37d2c4 /gcc/tree-ssa-strlen.c | |
| parent | 9879232c98696816d0d81c12ed207db241a55c16 (diff) | |
| download | gcc-65205a116a8d1c076f0709d92acad2453caa1efb.zip gcc-65205a116a8d1c076f0709d92acad2453caa1efb.tar.gz gcc-65205a116a8d1c076f0709d92acad2453caa1efb.tar.bz2 | |
re PR tree-optimization/82977 (AddressSanitizer: heap-use-after-free in strlen_optimize_stmt .././../gcc/tree-ssa-strlen.c:2971)
PR tree-optimization/82977
* tree-ssa-strlen.c (strlen_optimize_stmt): Pass a reference to a copy
constructed temporary to strlen_to_stridx.put.
From-SVN: r254757
Diffstat (limited to 'gcc/tree-ssa-strlen.c')
| -rw-r--r-- | gcc/tree-ssa-strlen.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/tree-ssa-strlen.c b/gcc/tree-ssa-strlen.c index 2efa182..ff32301 100644 --- a/gcc/tree-ssa-strlen.c +++ b/gcc/tree-ssa-strlen.c @@ -2968,7 +2968,7 @@ strlen_optimize_stmt (gimple_stmt_iterator *gsi) tree rhs1 = gimple_assign_rhs1 (stmt); if (stridx_strlenloc *ps = strlen_to_stridx.get (rhs1)) - strlen_to_stridx.put (lhs, *ps); + strlen_to_stridx.put (lhs, stridx_strlenloc (*ps)); } else if (TREE_CODE (lhs) != SSA_NAME && !TREE_SIDE_EFFECTS (lhs)) { |