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-rw-r--r--libcpp/lex.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/libcpp/lex.c b/libcpp/lex.c
index aa87da95323..976d9e8b0eb 100644
--- a/libcpp/lex.c
+++ b/libcpp/lex.c
@@ -1561,8 +1561,10 @@ lex_raw_string (cpp_reader *pfile, cpp_token *token, const uchar *base,
from inttypes.h, we generate a warning and treat the ud-suffix as a
separate preprocessing token. This approach is under discussion by
the standards committee, and has been adopted as a conforming
- extension by other front ends such as clang. */
- if (ISALPHA (*cur))
+ extension by other front ends such as clang.
+ A special exception is made for the suffix 's' which will be
+ standardized as a user-defined literal suffix for strings. */
+ if (ISALPHA (*cur) && *cur != 's')
{
/* Raise a warning, but do not consume subsequent tokens. */
if (CPP_OPTION (pfile, warn_literal_suffix))
@@ -1572,7 +1574,7 @@ lex_raw_string (cpp_reader *pfile, cpp_token *token, const uchar *base,
"a space between literal and identifier");
}
/* Grab user defined literal suffix. */
- else if (*cur == '_')
+ else if (ISIDST (*cur))
{
type = cpp_userdef_string_add_type (type);
++cur;
@@ -1692,8 +1694,10 @@ lex_string (cpp_reader *pfile, cpp_token *token, const uchar *base)
from inttypes.h, we generate a warning and treat the ud-suffix as a
separate preprocessing token. This approach is under discussion by
the standards committee, and has been adopted as a conforming
- extension by other front ends such as clang. */
- if (ISALPHA (*cur))
+ extension by other front ends such as clang.
+ A special exception is made for the suffix 's' which will be
+ standardized as a user-defined literal suffix for strings. */
+ if (ISALPHA (*cur) && *cur != 's')
{
/* Raise a warning, but do not consume subsequent tokens. */
if (CPP_OPTION (pfile, warn_literal_suffix))
@@ -1703,7 +1707,7 @@ lex_string (cpp_reader *pfile, cpp_token *token, const uchar *base)
"a space between literal and identifier");
}
/* Grab user defined literal suffix. */
- else if (*cur == '_')
+ else if (ISIDST (*cur))
{
type = cpp_userdef_char_add_type (type);
type = cpp_userdef_string_add_type (type);
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