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| author | Volker Reichelt <reichelt@netcologne.de> | 2007-03-08 07:31:47 +0000 |
|---|---|---|
| committer | Volker Reichelt <reichelt@gcc.gnu.org> | 2007-03-08 07:31:47 +0000 |
| commit | 1916c916caf5b22b43ba62974586ffbd3b89b406 (patch) | |
| tree | 383e9344ece683592f3f56bb28e93c5962c79459 /gcc/c-common.c | |
| parent | cc891727f0647d3123c9776250dc08edeec91e51 (diff) | |
| download | gcc-1916c916caf5b22b43ba62974586ffbd3b89b406.zip gcc-1916c916caf5b22b43ba62974586ffbd3b89b406.tar.gz gcc-1916c916caf5b22b43ba62974586ffbd3b89b406.tar.bz2 | |
re PR c++/30852 (Trouble with __builtin_offsetof and volatile)
PR c++/30852
* c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
* semantics.c (finish_offsetof): Handle COMPOUND_EXPR.
* g++.dg/ext/offsetof1.C: Add cases with volatile.
From-SVN: r122686
Diffstat (limited to 'gcc/c-common.c')
| -rw-r--r-- | gcc/c-common.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/c-common.c b/gcc/c-common.c index db64da5..0bcd462 100644 --- a/gcc/c-common.c +++ b/gcc/c-common.c @@ -6443,6 +6443,12 @@ fold_offsetof_1 (tree expr, tree stop_ref) off = size_binop (MULT_EXPR, TYPE_SIZE_UNIT (TREE_TYPE (expr)), t); break; + case COMPOUND_EXPR: + /* Handle static members of volatile structs. */ + t = TREE_OPERAND (expr, 1); + gcc_assert (TREE_CODE (t) == VAR_DECL); + return fold_offsetof_1 (t, stop_ref); + default: gcc_unreachable (); } |