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| author | Manuel López-Ibáñez <manu@gcc.gnu.org> | 2009-07-07 22:18:35 +0000 |
|---|---|---|
| committer | Manuel López-Ibáñez <manu@gcc.gnu.org> | 2009-07-07 22:18:35 +0000 |
| commit | d665b6e585efbb1d90b33f330a2cd967430c95a1 (patch) | |
| tree | bc411ee056cbc9d17c3e9d69c14e65d3779c178c /gcc/gimple.c | |
| parent | 438c0fa8a04a3f11df33890b3d183f64fa181b55 (diff) | |
| download | gcc-d665b6e585efbb1d90b33f330a2cd967430c95a1.zip gcc-d665b6e585efbb1d90b33f330a2cd967430c95a1.tar.gz gcc-d665b6e585efbb1d90b33f330a2cd967430c95a1.tar.bz2 | |
re PR c++/31246 (-Wunreachable-code warnings for compiler-generated code)
2009-07-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
PR c++/31246
* gimplify.c (gimplify_expr): Propagate no_warning flag when
gimplifying.
* gimple (gimple_build_call_from_tree): Likewise.
* tree-cfg.c (remove_useless_stmts_warn_notreached): Check
no_warning flag before warning.
cp/
* init.c (build_new_1): Set TREE_NO_WARNING for compiler-generated
code.
* cp-gimplify.c (genericize_eh_spec_block): Likewise.
testsuite/
* g++.dg/warn/pr31246.C: New.
* g++.dg/warn/pr31246-2.C: New.
From-SVN: r149354
Diffstat (limited to 'gcc/gimple.c')
| -rw-r--r-- | gcc/gimple.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/gimple.c b/gcc/gimple.c index 4f18b78..5610831 100644 --- a/gcc/gimple.c +++ b/gcc/gimple.c @@ -357,6 +357,7 @@ gimple_build_call_from_tree (tree t) gimple_call_set_return_slot_opt (call, CALL_EXPR_RETURN_SLOT_OPT (t)); gimple_call_set_from_thunk (call, CALL_FROM_THUNK_P (t)); gimple_call_set_va_arg_pack (call, CALL_EXPR_VA_ARG_PACK (t)); + gimple_set_no_warning (call, TREE_NO_WARNING (t)); return call; } |