diff options
Diffstat (limited to 'gcc/cp/expr.c')
| -rw-r--r-- | gcc/cp/expr.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/gcc/cp/expr.c b/gcc/cp/expr.c index 6d2d658..71dec3d 100644 --- a/gcc/cp/expr.c +++ b/gcc/cp/expr.c @@ -91,18 +91,24 @@ cplus_expand_constant (tree cst) return cst; } -/* Called whenever an expression is used - in a rvalue context. */ - +/* Called whenever the expression EXPR is used in an rvalue context. + When REJECT_BUILTIN is true the expression is checked to make sure + it doesn't make it possible to obtain the address of a GCC built-in + function with no library fallback (or any of its bits, such as in + a conversion to bool). */ tree -mark_rvalue_use (tree expr) +mark_rvalue_use (tree expr, + location_t loc /* = UNKNOWN_LOCATION */, + bool reject_builtin /* = true */) { + if (reject_builtin && reject_gcc_builtin (expr, loc)) + return error_mark_node; + mark_exp_read (expr); return expr; } -/* Called whenever an expression is used - in a lvalue context. */ +/* Called whenever an expression is used in an lvalue context. */ tree mark_lvalue_use (tree expr) |