diff options
Diffstat (limited to 'gcc/cp/expr.c')
-rw-r--r-- | gcc/cp/expr.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/cp/expr.c b/gcc/cp/expr.c index 23e30cf789c..81b9a5b1dc9 100644 --- a/gcc/cp/expr.c +++ b/gcc/cp/expr.c @@ -111,6 +111,14 @@ mark_use (tree expr, bool rvalue_p, bool read_p, { case VAR_DECL: case PARM_DECL: + if (rvalue_p && is_normal_capture_proxy (expr)) + { + /* Look through capture by copy. */ + tree cap = DECL_CAPTURED_VARIABLE (expr); + if (TREE_CODE (TREE_TYPE (cap)) == TREE_CODE (TREE_TYPE (expr)) + && decl_constant_var_p (cap)) + return RECUR (cap); + } if (outer_automatic_var_p (expr) && decl_constant_var_p (expr)) { @@ -146,6 +154,14 @@ mark_use (tree expr, bool rvalue_p, bool read_p, { /* Try to look through the reference. */ tree ref = TREE_OPERAND (expr, 0); + if (rvalue_p && is_normal_capture_proxy (ref)) + { + /* Look through capture by reference. */ + tree cap = DECL_CAPTURED_VARIABLE (ref); + if (TREE_CODE (TREE_TYPE (cap)) != REFERENCE_TYPE + && decl_constant_var_p (cap)) + return RECUR (cap); + } tree r = mark_rvalue_use (ref, loc, reject_builtin); if (r != ref) expr = convert_from_reference (r); |