<html>
    <head>
      <base href="http://llvm.org/bugs/" />
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - clang compiles code without error, but gcc fails with error."
   href="http://llvm.org/bugs/show_bug.cgi?id=17319">17319</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>clang compiles code without error, but gcc fails with error.
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>clang
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>3.2
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Frontend
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>unassignedclangbugs@nondot.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>James.Dutton@gmail.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvmbugs@cs.uiuc.edu
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=11259" name="attach_11259" title="The bfl.c file showing the errors.">attachment 11259</a> <a href="attachment.cgi?id=11259&action=edit" title="The bfl.c file showing the errors.">[details]</a></span>
The bfl.c file showing the errors.

Seems to be a problem with va_start, va_arg, va_end macros.


Compiling with clang reports no errors

/bin/bash ../../../../libtool --tag=CC   --mode=compile clang -DHAVE_CONFIG_H
-I. -I../../../../src -I../../../../include   -O0 -g3 -Wall -fPIC -g -O2 -MT
bfl.lo -MD -MP -MF .deps/bfl.Tpo -c -o bfl.lo bfl.c
libtool: compile:  clang -DHAVE_CONFIG_H -I. -I../../../../src
-I../../../../include -O0 -g3 -Wall -fPIC -g -O2 -MT bfl.lo -MD -MP -MF
.deps/bfl.Tpo -c bfl.c  -fPIC -DPIC -o .libs/bfl.o
bfl.c:310:1: warning: unused function 'dump_reloc_set' [-Wunused-function]
dump_reloc_set (bfd *abfd, asection *sec, arelent **relpp, long relcount)
^
1 warning generated.

Compiling with gcc reports errors and fails to compile.
/bin/bash ../../../../libtool --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I.
-I../../../../src -I../../../../include   -O0 -g3 -Wall -fPIC -g -O2 -MT bfl.lo
-MD -MP -MF .deps/bfl.Tpo -c -o bfl.lo bfl.c
libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I../../../../src
-I../../../../include -O0 -g3 -Wall -fPIC -g -O2 -MT bfl.lo -MD -MP -MF
.deps/bfl.Tpo -c bfl.c  -fPIC -DPIC -o .libs/bfl.o
bfl.c: In function 'bf_get_reloc_table_code_section':
bfl.c:391:11: warning: variable 'sym_val' set but not used
[-Wunused-but-set-variable]
bfl.c:389:6: warning: variable 'tmp' set but not used
[-Wunused-but-set-variable]
bfl.c: In function 'bf_get_reloc_table_data_section':
bfl.c:455:11: warning: variable 'sym_val' set but not used
[-Wunused-but-set-variable]
bfl.c:453:6: warning: variable 'tmp' set but not used
[-Wunused-but-set-variable]
bfl.c: In function 'bf_get_reloc_table_rodata_section':
bfl.c:519:11: warning: variable 'sym_val' set but not used
[-Wunused-but-set-variable]
bfl.c:517:6: warning: variable 'tmp' set but not used
[-Wunused-but-set-variable]
bfl.c: In function 'bf_disassemble_print_callback':
bfl.c:935:2: warning: implicit declaration of function 'va_start'
[-Wimplicit-function-declaration]
bfl.c:937:3: warning: implicit declaration of function 'va_arg'
[-Wimplicit-function-declaration]
bfl.c:937:21: error: expected expression before 'char'
bfl.c:940:21: error: expected expression before 'char'
bfl.c:946:2: warning: implicit declaration of function 'va_end'
[-Wimplicit-function-declaration]
bfl.c: At top level:
bfl.c:310:1: warning: 'dump_reloc_set' defined but not used [-Wunused-function]
make: *** [bfl.lo] Error 1</pre>
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