[LLVMbugs] [Bug 4111] New: poor error recovery for incorrect typename

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=4111

           Summary: poor error recovery for incorrect typename
           Product: clang
           Version: unspecified
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Semantic Analyzer
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: clattner at apple.com
                CC: llvmbugs at cs.uiuc.edu


This C or C++ program:
void f(sqrgl);

produces:
t.c:1:8: error: a parameter list without types is only allowed in a function
definition
void f(sqrgl);
       ^
t.c:1:6: error: variable has incomplete type 'void'
void f(sqrgl);
     ^
in C mode, and:
t.c:1:6: error: variable has incomplete type 'void'
void f(sqrgl);
     ^
t.c:1:8: error: use of undeclared identifier 'sqrgl'
void f(sqrgl);
       ^

in C++ mode.  These are both pretty bad, each should only produce one
diagnostic.  In practice, I saw this with "void foo(mytype_t);" which looks to
a human like it's a type :)


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