[Bug gold/18763] New: dirsearch.cc: Dir_caches::~Dir_caches()’ defined but not used

[dilyan.palauzov at aegee dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=18763

            Bug ID: 18763
           Summary: dirsearch.cc: Dir_caches::~Dir_caches()’ defined but
                    not used
           Product: binutils
           Version: 2.26 (HEAD)
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gold
          Assignee: ccoutant at gmail dot com
          Reporter: dilyan.palauzov at aegee dot org
                CC: ian at airs dot com
  Target Milestone: ---

Compiling gold/dirsearch.cc with GCC6.0 fails with 

make[2]: Entering directory '/home/d/rasbperry/cross/binutils/gold'
armv6kz-hardfloat-linux-gnueabi-g++ -DHAVE_CONFIG_H -I.
-I/git/binutils-gdb/gold  -I/git/binutils-gdb/gold
-I/git/binutils-gdb/gold/../include -I/git/binutils-gdb/gold/../elfcpp
-DLOCALEDIR="\"/usr/share/locale\"" -DBINDIR="\"/usr/bin\""
-DTOOLBINDIR="\"/usr/armv6kz-hardfloat-linux-gnueabi/bin\""
-DTOOLLIBDIR="\"/usr/armv6kz-hardfloat-linux-gnueabi/lib\""   -W -Wall   
-Werror -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -frandom-seed=dirsearch.o 
-pipe -O3 -flto -fno-fat-lto-objects -MT dirsearch.o -MD -MP -MF
.deps/dirsearch.Tpo -c -o dirsearch.o /git/binutils-gdb/gold/dirsearch.cc
/git/binutils-gdb/gold/dirsearch.cc:125:1: error:
‘{anonymous}::Dir_caches::~Dir_caches()’ defined but not used
[-Werror=unused-function]
 Dir_caches::~Dir_caches()
 ^
cc1plus: all warnings being treated as errors
Makefile:851: recipe for target 'dirsearch.o' failed
make[2]: *** [dirsearch.o] Error 1

The Dir_caches destructor is indeed never called.

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