[LLVMbugs] [Bug 6813] New: fix-it hints broken

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=6813

           Summary: fix-it hints broken
           Product: clang
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: -New Bugs
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: nlewycky at google.com
                CC: llvmbugs at cs.uiuc.edu


A few fix-it tests are failing. The problem is that 'clang -cc1 -fixit' doesn't
emit any output at all when there are additional errors in the file which fixit
can't fix. Because the tests are written to run clang -fixit | clang -Werror,
an empty output from -fixit will pass. (I'm assuming the tests are written
correctly and am working on a patch to change the behaviour of the -fixit
flag.)

In the mean time, we've accumulated the 3 broken tests:

1. test/FixIt/fixit-errors.c. The fix-it from 'get_origin->x' to
'get_origin()->x' is missing entirely. Note that this breakage would have been
caught if that line had an 'expected-note' on it.

2. test/FixIt/fixit-pmem.cpp. This test generates four errors with four fix-it
hints, but one of which is diagnosed as unfixable. Why?

3. test/FixIt/typo.m. Right in the middle, on line 61, the use of undeclared
identifier error on 'NSstring' is emitted with a did you mean 'NSString', but
no fix-it hint shows up. Why not? It shows up for other ones.

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