diff options
-rw-r--r-- | gcc/c/gimple-parser.c | 14 | ||||
-rw-r--r-- | gcc/testsuite/gcc.dg/gimplefe-46.c | 23 |
2 files changed, 32 insertions, 5 deletions
diff --git a/gcc/c/gimple-parser.c b/gcc/c/gimple-parser.c index c8d9db6..c43ee38 100644 --- a/gcc/c/gimple-parser.c +++ b/gcc/c/gimple-parser.c @@ -1622,16 +1622,20 @@ c_parser_gimple_postfix_expression (gimple_parser &parser) tree val = c_parser_gimple_postfix_expression (parser).value; if (! val || val == error_mark_node - || (!CONSTANT_CLASS_P (val) - && !(addr_p - && (TREE_CODE (val) == STRING_CST - || DECL_P (val))))) + || (!CONSTANT_CLASS_P (val) && !addr_p)) { c_parser_error (parser, "invalid _Literal"); return expr; } if (addr_p) - val = build1 (ADDR_EXPR, type, val); + { + val = build1 (ADDR_EXPR, type, val); + if (!is_gimple_invariant_address (val)) + { + c_parser_error (parser, "invalid _Literal"); + return expr; + } + } if (neg_p) { val = const_unop (NEGATE_EXPR, TREE_TYPE (val), val); diff --git a/gcc/testsuite/gcc.dg/gimplefe-46.c b/gcc/testsuite/gcc.dg/gimplefe-46.c new file mode 100644 index 0000000..fb91f7d --- /dev/null +++ b/gcc/testsuite/gcc.dg/gimplefe-46.c @@ -0,0 +1,23 @@ +/* { dg-do compile } */ +/* { dg-options "-fgimple" } */ + +char global[10]; + +void bar (void); + +void __GIMPLE (ssa) +foo (char * p) +{ + __BB(2): + if (p_2(D) == _Literal (char *)&global[2]) + goto __BB3; + else + goto __BB4; + + __BB(3): + bar (); + goto __BB4; + + __BB(4): + return; +} |