diff options
Diffstat (limited to 'gcc/cp/expr.cc')
| -rw-r--r-- | gcc/cp/expr.cc | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/gcc/cp/expr.cc b/gcc/cp/expr.cc index 2157cfb..32dc3ee 100644 --- a/gcc/cp/expr.cc +++ b/gcc/cp/expr.cc @@ -102,6 +102,9 @@ mark_use (tree expr, bool rvalue_p, bool read_p, if (reject_builtin && reject_gcc_builtin (expr, loc)) return error_mark_node; + if (TREE_TYPE (expr) && VOID_TYPE_P (TREE_TYPE (expr))) + read_p = false; + if (read_p) mark_exp_read (expr); @@ -211,7 +214,7 @@ mark_use (tree expr, bool rvalue_p, bool read_p, } return expr; } - gcc_fallthrough(); + gcc_fallthrough (); CASE_CONVERT: recurse_op[0] = true; break; @@ -352,6 +355,9 @@ mark_exp_read (tree exp) if (exp == NULL) return; + if (TREE_TYPE (exp) && VOID_TYPE_P (TREE_TYPE (exp))) + return; + switch (TREE_CODE (exp)) { case VAR_DECL: @@ -361,16 +367,20 @@ mark_exp_read (tree exp) case PARM_DECL: DECL_READ_P (exp) = 1; break; + CASE_CONVERT: case ARRAY_REF: case COMPONENT_REF: case MODIFY_EXPR: case REALPART_EXPR: case IMAGPART_EXPR: - CASE_CONVERT: case ADDR_EXPR: case INDIRECT_REF: case FLOAT_EXPR: case VIEW_CONVERT_EXPR: + case PREINCREMENT_EXPR: + case PREDECREMENT_EXPR: + case POSTINCREMENT_EXPR: + case POSTDECREMENT_EXPR: mark_exp_read (TREE_OPERAND (exp, 0)); break; case COMPOUND_EXPR: |