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author | mpolacek <mpolacek@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-12-10 10:49:39 +0000 |
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committer | mpolacek <mpolacek@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-12-10 10:49:39 +0000 |
commit | 475a6b35b36e653a9b82d16e4665caabc145ff18 (patch) | |
tree | 71efd97b5906d97af26d89bded42ae258596e14d /gcc/vtable-verify.c | |
parent | 2721751cdd07eba7e63fc4e539dc40945dbc7d00 (diff) | |
download | gcc-475a6b35b36e653a9b82d16e4665caabc145ff18.tar.gz |
PR sanitizer/59437
* vtable-verify.c (var_is_used_for_virtual_call_p): Check the
return value of gimple_call_fn. Use is_gimple_call/is_gimple_assign
instead of gimple_code.
testsuite/
* g++.dg/ubsan/pr59437.C: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@205854 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/vtable-verify.c')
-rw-r--r-- | gcc/vtable-verify.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/gcc/vtable-verify.c b/gcc/vtable-verify.c index dabb77b9d10..af61e930b20 100644 --- a/gcc/vtable-verify.c +++ b/gcc/vtable-verify.c @@ -513,10 +513,10 @@ var_is_used_for_virtual_call_p (tree lhs, int *mem_ref_depth) { gimple stmt2 = USE_STMT (use_p); - if (gimple_code (stmt2) == GIMPLE_CALL) + if (is_gimple_call (stmt2)) { tree fncall = gimple_call_fn (stmt2); - if (TREE_CODE (fncall) == OBJ_TYPE_REF) + if (fncall && TREE_CODE (fncall) == OBJ_TYPE_REF) found_vcall = true; else return false; @@ -527,7 +527,7 @@ var_is_used_for_virtual_call_p (tree lhs, int *mem_ref_depth) (gimple_phi_result (stmt2), mem_ref_depth); } - else if (gimple_code (stmt2) == GIMPLE_ASSIGN) + else if (is_gimple_assign (stmt2)) { tree rhs = gimple_assign_rhs1 (stmt2); if (TREE_CODE (rhs) == ADDR_EXPR |