[Bug binutils/19547] strip --strip-unneeded adds back section symbols

[hjl.tools at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=19547

--- Comment #9 from H.J. Lu <hjl.tools at gmail dot com> ---
A testcase:

address@hidden pr19547]$ cat bar.c
static char grub_module_license[]__attribute__ ((used)) ="foobar";
address@hidden pr19547]$ make
gcc  -fno-asynchronous-unwind-tables -g -O   -c -o bar.o bar.c
./objcopy --strip-unneeded  bar.o x.o
readelf -s -r x.o

There are no relocations in this file.

Symbol table '.symtab' contains 6 entries:
   Num:    Value          Size Type    Bind   Vis      Ndx Name
     0: 0000000000000000     0 NOTYPE  LOCAL  DEFAULT  UND 
     1: 0000000000000000     0 SECTION LOCAL  DEFAULT    1 
     2: 0000000000000000     0 SECTION LOCAL  DEFAULT    2 
     3: 0000000000000000     0 SECTION LOCAL  DEFAULT    3 
     4: 0000000000000000     0 SECTION LOCAL  DEFAULT    4 
     5: 0000000000000000     0 SECTION LOCAL  DEFAULT    5 
address@hidden pr19547]$ 

The .symtab section isn't needed since there are no relocations.

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