[LLVMbugs] [Bug 22712] New: clang warning on static inlines with -Wunused-function

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=22712

            Bug ID: 22712
           Summary: clang warning on static inlines with -Wunused-function
           Product: clang
           Version: 3.6
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: -New Bugs
          Assignee: unassignedclangbugs at nondot.org
          Reporter: howarth.mailing.lists at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 13950
  --> http://llvm.org/bugs/attachment.cgi?id=13950&action=edit
bzip2 compressed preprocessed source file for gdb-7.9/gdb/remote.c

Clang 3.5, 3.6 and 3.7svn are all erroneously warning on static inlines as seen
in gdb-7.9/gdb/remote.c...

remote.c:2567:1058: warning: unused function 'VEC_thread_item_t_embedded_size'
[-Wunused-function]
remote.c:2567:1210: warning: unused function 'VEC_thread_item_t_embedded_init'
[-Wunused-function]
remote.c:2567:2076: warning: unused function 'VEC_thread_item_t_pop'
[-Wunused-function]
...

I can't find the clang documentation but FSF gcc's shows...

 -Wunused-function
     Warn whenever a static function is declared but not defined
     or a non-inline static function is unused. This warning is
     enabled by -Wall.

The attached preprocessed source for gdb-7.9/gdb/remote.c reproduces the
problem with...

clang-3.6  -Wunused-function -c remote.i

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