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    <head>
      <base href="http://llvm.org/bugs/" />
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - Tries to compile __isoc99_vscanf etc function intercepts even when those are disabled"
   href="http://llvm.org/bugs/show_bug.cgi?id=16916">16916</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Tries to compile __isoc99_vscanf etc function intercepts even when those are disabled
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>compiler-rt
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </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>compiler-rt
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>s_llvm@nedprod.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>I suggest this fix:

---
a/projects/compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors.inc
+++
b/projects/compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors.inc
@@ -409,7 +409,6 @@ SCANF_INTERCEPTOR_IMPL(__isoc99_fscanf, __isoc99_vfscanf,
stream, format)

 INTERCEPTOR(int, __isoc99_sscanf, const char *str, const char *format, ...)
 SCANF_INTERCEPTOR_IMPL(__isoc99_sscanf, __isoc99_vsscanf, str, format)
-#endif

 #define INIT_SCANF                                                            
\
   INTERCEPT_FUNCTION(scanf);                                                  
\
@@ -424,6 +423,15 @@ SCANF_INTERCEPTOR_IMPL(__isoc99_sscanf, __isoc99_vsscanf,
str, format)
   INTERCEPT_FUNCTION(__isoc99_vscanf);                                        
\
   INTERCEPT_FUNCTION(__isoc99_vsscanf);                                       
\
   INTERCEPT_FUNCTION(__isoc99_vfscanf);
+#else
+#define INIT_SCANF                                                            
\
+  INTERCEPT_FUNCTION(scanf);                                                  
\
+  INTERCEPT_FUNCTION(sscanf);                                                 
\
+  INTERCEPT_FUNCTION(fscanf);                                                 
\
+  INTERCEPT_FUNCTION(vscanf);                                                 
\
+  INTERCEPT_FUNCTION(vsscanf);                                                
\
+  INTERCEPT_FUNCTION(vfscanf);                                                 
+#endif

 #else
 #define INIT_SCANF


Niall</pre>
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