[LLVMbugs] [Bug 20162] New: reserved-user-defined-literal warning or error?

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=20162

            Bug ID: 20162
           Summary: reserved-user-defined-literal warning or error?
           Product: clang
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: ruslan_baratov at yahoo.com
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Since '-W' family options is for warnings expected that this code will be
compiled without errors:

> cat foo.cpp
#define N
const char* x = "abc"N;

But compilation failed with *error* (instead of just reporting warning note):
> clang++ -std=c++11 foo.cpp
foo.cpp:2:22: error: invalid suffix on literal; C++11 requires a space between
literal and identifier [-Wreserved-user-defined-literal]
const char* x = "abc"N;
                     ^
1 error generated.

> echo $?
1

clang version:
http://llvm.org/git/clang@92b1476ea6c20682a5dc59bec72da06512bcd405
http://llvm.org/git/llvm@a1ff0aed40d1df9e8336d23eb53db0620a046e81

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