[Bug dynamic-link/21329] New: dlerror() force end the program

["rmbeer2 at gmail dot com" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=21329

            Bug ID: 21329
           Summary: dlerror() force end the program
           Product: glibc
           Version: 2.25
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: dynamic-link
          Assignee: unassigned at sourceware dot org
          Reporter: rmbeer2 at gmail dot com
  Target Milestone: ---

Where i use '-rdynamic' in the gcc, any error that take from dlopen() by lack
of symbol, the dlerror show the error and end the program. Never read "return
-1;".

The lines is:
  hnd=dlopen(zn,RTLD_LAZY|RTLD_LOCAL);
  if(!hnd){printf("%s\n",dlerror());return -1;}

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