diff --git a/gcc/calls.c b/gcc/calls.c index 72f890115843..44401e6350d8 100644 --- a/gcc/calls.c +++ b/gcc/calls.c @@ -1920,24 +1920,8 @@ append_attrname (const std::pair &access, in the function call EXP. */ static void -maybe_warn_rdwr_sizes (rdwr_map *rwm, tree exp) +maybe_warn_rdwr_sizes (rdwr_map *rwm, tree fndecl, tree fntype, tree exp) { - tree fndecl = NULL_TREE; - tree fntype = NULL_TREE; - if (tree fnaddr = CALL_EXPR_FN (exp)) - { - if (TREE_CODE (fnaddr) == ADDR_EXPR) - { - fndecl = TREE_OPERAND (fnaddr, 0); - fntype = TREE_TYPE (fndecl); - } - else - fntype = TREE_TYPE (TREE_TYPE (fnaddr)); - } - - if (!fntype) - return; - auto_diagnostic_group adg; /* A string describing the attributes that the warnings issued by this @@ -2501,7 +2485,7 @@ initialize_argument_information (int num_actuals ATTRIBUTE_UNUSED, maybe_warn_nonstring_arg (fndecl, exp); /* Check attribute access arguments. */ - maybe_warn_rdwr_sizes (&rdwr_idx, exp); + maybe_warn_rdwr_sizes (&rdwr_idx, fndecl, fntype, exp); } /* Update ARGS_SIZE to contain the total size for the argument block. diff --git a/gcc/testsuite/gcc.dg/pr96335.c b/gcc/testsuite/gcc.dg/pr96335.c new file mode 100644 index 000000000000..ab243b3d1296 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr96335.c @@ -0,0 +1,12 @@ +/* PR middle-end/96335 */ +/* { dg-do compile } */ +/* { dg-options "-O2" } */ + +void bar (int, void *) __attribute__((__access__(__read_only__, 2))); + +void +foo (void *x) +{ + void (*fn) () = bar; + fn (0, x); +}