diff options
Diffstat (limited to 'gcc/opts.c')
| -rw-r--r-- | gcc/opts.c | 30 |
1 files changed, 17 insertions, 13 deletions
diff --git a/gcc/opts.c b/gcc/opts.c index 649b84b3f6f..63d41ca9deb 100644 --- a/gcc/opts.c +++ b/gcc/opts.c @@ -498,7 +498,6 @@ static const struct default_options default_options_table[] = { OPT_LEVELS_2_PLUS, OPT_fstrict_overflow, NULL, 1 }, { OPT_LEVELS_2_PLUS_SPEED_ONLY, OPT_freorder_blocks_algorithm_, NULL, REORDER_BLOCKS_ALGORITHM_STC }, - { OPT_LEVELS_2_PLUS, OPT_frename_registers, NULL, 1 }, { OPT_LEVELS_2_PLUS, OPT_freorder_functions, NULL, 1 }, { OPT_LEVELS_2_PLUS, OPT_ftree_vrp, NULL, 1 }, { OPT_LEVELS_2_PLUS, OPT_ftree_pre, NULL, 1 }, @@ -1596,7 +1595,7 @@ common_handle_option (struct gcc_options *opts, case OPT__help_: { - const char * a = arg; + const char *a = arg; unsigned int include_flags = 0; /* Note - by default we include undocumented options when listing specific classes. If you only want to see documented options @@ -1613,11 +1612,11 @@ common_handle_option (struct gcc_options *opts, arg = [^]{word}[,{arg}] word = {optimizers|target|warnings|undocumented| params|common|<language>} */ - while (* a != 0) + while (*a != 0) { static const struct { - const char * string; + const char *string; unsigned int flag; } specifics[] = @@ -1632,19 +1631,24 @@ common_handle_option (struct gcc_options *opts, { "common", CL_COMMON }, { NULL, 0 } }; - unsigned int * pflags; - const char * comma; + unsigned int *pflags; + const char *comma; unsigned int lang_flag, specific_flag; unsigned int len; unsigned int i; - if (* a == '^') + if (*a == '^') { - ++ a; - pflags = & exclude_flags; + ++a; + if (*a == '\0') + { + error_at (loc, "missing argument to %qs", "--help=^"); + break; + } + pflags = &exclude_flags; } else - pflags = & include_flags; + pflags = &include_flags; comma = strchr (a, ','); if (comma == NULL) @@ -1681,7 +1685,7 @@ common_handle_option (struct gcc_options *opts, if (specific_flag != 0) { if (lang_flag == 0) - * pflags |= specific_flag; + *pflags |= specific_flag; else { /* The option's argument matches both the start of a @@ -1690,7 +1694,7 @@ common_handle_option (struct gcc_options *opts, specified "--help=c", but otherwise we have to issue a warning. */ if (strncasecmp (a, "c", len) == 0) - * pflags |= lang_flag; + *pflags |= lang_flag; else warning_at (loc, 0, "--help argument %q.*s is ambiguous, " @@ -1699,7 +1703,7 @@ common_handle_option (struct gcc_options *opts, } } else if (lang_flag != 0) - * pflags |= lang_flag; + *pflags |= lang_flag; else warning_at (loc, 0, "unrecognized argument to --help= option: %q.*s", |