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| author | Andreas Krebbel <krebbel@linux.ibm.com> | 2018-06-25 07:16:59 +0000 |
|---|---|---|
| committer | Andreas Krebbel <krebbel@gcc.gnu.org> | 2018-06-25 07:16:59 +0000 |
| commit | 4f1c88ae5892fad3d0cf248c6da5ffb51a61c9aa (patch) | |
| tree | a711fc4960082a402a1883a26bd05cb740675df1 /gcc/cp/parser.c | |
| parent | c5ce6638f4deb1417bed3666077822cc5fb12dc9 (diff) | |
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C++: Fix PR86082
When turning a user-defined numerical literal into an operator
invocation the literal needs to be translated to the execution
character set.
gcc/cp/ChangeLog:
2018-06-25 Andreas Krebbel <krebbel@linux.ibm.com>
PR C++/86082
* parser.c (make_char_string_pack): Pass this literal chars
through cpp_interpret_string.
(cp_parser_userdef_numeric_literal): Check the result of
make_char_string_pack.
gcc/testsuite/ChangeLog:
2018-06-25 Andreas Krebbel <krebbel@linux.ibm.com>
PR C++/86082
* g++.dg/pr86082.C: New test.
From-SVN: r262003
Diffstat (limited to 'gcc/cp/parser.c')
| -rw-r--r-- | gcc/cp/parser.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/gcc/cp/parser.c b/gcc/cp/parser.c index 154729c..5e1b67c 100644 --- a/gcc/cp/parser.c +++ b/gcc/cp/parser.c @@ -4291,7 +4291,16 @@ make_char_string_pack (tree value) /* Fill in CHARVEC with all of the parameters. */ charvec = make_tree_vec (len); for (i = 0; i < len; ++i) - TREE_VEC_ELT (charvec, i) = build_int_cst (char_type_node, str[i]); + { + unsigned char s[3] = { '\'', str[i], '\'' }; + cpp_string in = { 3, s }; + cpp_string out = { 0, 0 }; + if (!cpp_interpret_string (parse_in, &in, 1, &out, CPP_STRING)) + return NULL_TREE; + gcc_assert (out.len == 2); + TREE_VEC_ELT (charvec, i) = build_int_cst (char_type_node, + out.text[0]); + } /* Build the argument packs. */ SET_ARGUMENT_PACK_ARGS (argpack, charvec); @@ -4407,6 +4416,12 @@ cp_parser_userdef_numeric_literal (cp_parser *parser) if (decl && decl != error_mark_node) { tree tmpl_args = make_char_string_pack (num_string); + if (tmpl_args == NULL_TREE) + { + error ("failed to translate literal to execution character set %qT", + num_string); + return error_mark_node; + } decl = lookup_template_function (decl, tmpl_args); result = finish_call_expr (decl, &args, false, true, tf_warning_or_error); |