[LLVMbugs] [Bug 12853] New: No 'aka' in diagnostics about temporary values.

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=12853

             Bug #: 12853
           Summary: No 'aka' in diagnostics about temporary values.
           Product: clang
           Version: trunk
          Platform: PC
        OS/Version: All
            Status: NEW
          Keywords: quality-of-implementation
          Severity: enhancement
          Priority: P
         Component: -New Bugs
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: jediknil at belkadan.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified


#include <vector>
#include <string>

using namespace std;  

size_t test (vector<string> &strings) {
    return strings.begin().length();
}


We get this error:

error: no member named 'length' in
'__gnu_cxx::__normal_iterator<std::basic_string<char> *,
std::vector<std::basic_string<char>,
std::allocator<std::basic_string<char>>>>'; did you mean to use '->' instead of
'.'?


It'd be nice to say something like:

error: no member named 'length' in 'vector<string>::iterator' (aka '...'); did
you mean to use '->' instead of '.'?

i.e. use the spelling in the declaration of vector<T>::begin, scoped to the
spelling used to declare 'strings'.


(If it matters, GCC doesn't do any better.)

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