[Bug c++/80955] Macros expanded in definition of user-defined literals

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80955 --- Comment #8 from Jonathan Wakely --- Also the new testcase for this bug has undefined behaviour. _ID is a reserved name so the program cannot use it to define a macro or a UDL.

[Bug c++/80955] Macros expanded in definition of user-defined literals

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80955 --- Comment #7 from Jonathan Wakely --- Moved to PR 84517

[Bug c++/80955] Macros expanded in definition of user-defined literals

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80955 --- Comment #6 from Jonathan Wakely --- Testing this: --- a/libcpp/lex.c +++ b/libcpp/lex.c @@ -1903,7 +1903,7 @@ lex_raw_string (cpp_reader *pfile, cpp_token *token, const uchar *base, literal thus breaking the program. Try

[Bug c++/80955] Macros expanded in definition of user-defined literals

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80955 --- Comment #5 from Jonathan Wakely --- Is there a way to check if it's a pre-defined macro? Or just change the condition to allow starting with two underscores, but not allow starting with one (since user-defined UDLs must start with a single

[Bug c++/80955] Macros expanded in definition of user-defined literals

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80955 --- Comment #4 from Jonathan Wakely --- This causes a regression for: const char* err() { return "Error in "__FILE__; } file.cc: In function ‘const char* err()’: file.cc:1:28: error: unable to find string literal operator ‘operator""__FILE__’

[Bug c++/80955] Macros expanded in definition of user-defined literals

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80955 Paolo Carlini changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug c++/80955] Macros expanded in definition of user-defined literals

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80955 --- Comment #2 from paolo at gcc dot gnu.org --- Author: paolo Date: Mon Nov 6 10:33:41 2017 New Revision: 254443 URL: https://gcc.gnu.org/viewcvs?rev=254443=gcc=rev Log: /libcpp 2017-11-06 Mukesh Kapoor

[Bug c++/80955] Macros expanded in definition of user-defined literals

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80955 Mukesh Kapoor changed: What|Removed |Added CC||mukesh.kapoor at oracle dot com ---

[Bug c++/80955] Macros expanded in definition of user-defined literals

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80955 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|