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| author | Jason Merrill <jason@redhat.com> | 2010-05-14 14:55:22 -0400 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2010-05-14 14:55:22 -0400 |
| commit | 9bb1a81bb3cd328f6a8a6128534f3c9b490fac4c (patch) | |
| tree | 35fed41760bd91f12cf6b65723674cbbc0fcc28b /gcc/gimple.c | |
| parent | 786f715dc6869bac7a3018e880a4ffde41940422 (diff) | |
| download | gcc-9bb1a81bb3cd328f6a8a6128534f3c9b490fac4c.zip gcc-9bb1a81bb3cd328f6a8a6128534f3c9b490fac4c.tar.gz gcc-9bb1a81bb3cd328f6a8a6128534f3c9b490fac4c.tar.bz2 | |
re PR c++/44127 (G++ emits unnecessary EH code)
PR c++/44127
gcc:
* gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
(gimple_call_set_nothrow): New.
* gimple.c (gimple_build_call_from_tree): Call it.
(gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
gcc/cp:
* except.c (dtor_nothrow): Return nonzero for type with
trivial destructor.
From-SVN: r159408
Diffstat (limited to 'gcc/gimple.c')
| -rw-r--r-- | gcc/gimple.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/gimple.c b/gcc/gimple.c index dd691a8..ace53b9 100644 --- a/gcc/gimple.c +++ b/gcc/gimple.c @@ -297,6 +297,7 @@ 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_call_set_nothrow (call, TREE_NOTHROW (t)); gimple_set_no_warning (call, TREE_NO_WARNING (t)); return call; @@ -1753,6 +1754,9 @@ gimple_call_flags (const_gimple stmt) flags = 0; } + if (stmt->gsbase.subcode & GF_CALL_NOTHROW) + flags |= ECF_NOTHROW; + return flags; } |