[LLVMbugs] [Bug 17585] New: Diagnostics for template keywords showing up inside local classes aren't good

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=17585

            Bug ID: 17585
           Summary: Diagnostics for template keywords showing up inside
                    local classes aren't good
           Product: clang
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: david.majnemer at gmail.com
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

consider:

void foo() {
  template <typename> int i;
}

we issue:

error: expected expression

gcc provides a better error:

error: a template declaration cannot appear at block scope


another case:

void foo() {
  struct S { template <typename> int i; };
}

we issue:

error: member 'i' declared as a template

gcc provides:

invalid declaration of member template in local class



These plain english messages are very nice, we should do something similar.

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