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Diffstat (limited to 'gcc/c-family/c-opts.c')
| -rw-r--r-- | gcc/c-family/c-opts.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/c-family/c-opts.c b/gcc/c-family/c-opts.c index 2c22574..9660f51 100644 --- a/gcc/c-family/c-opts.c +++ b/gcc/c-family/c-opts.c @@ -996,6 +996,10 @@ c_common_post_options (const char **pfilename) if (flag_sized_deallocation == -1) flag_sized_deallocation = (cxx_dialect >= cxx14); + /* char8_t support is new in C++2A. */ + if (flag_char8_t == -1) + flag_char8_t = (cxx_dialect >= cxx2a); + if (flag_extern_tls_init) { if (!TARGET_SUPPORTS_ALIASES || !SUPPORTS_WEAK) |