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[commit] Fix build error due to uninitialized variable warning

Message ID 20150803124342.68148B043@oc7340732750.ibm.com
State New
Headers show

Commit Message

Ulrich Weigand Aug. 3, 2015, 12:43 p.m. UTC

as of commit a5fdf78a4402341a0ae23a5ca8a63825e2b5286c, building GDB with
a GCC 4.1 host compiler fails with:
gdb/cp-namespace.c: In function 'cp_lookup_symbol_via_imports':
gdb/cp-namespace.c:482: warning: 'sym.block' may be used uninitialized in this function
Apparently, more recent compilers are able to deduce that no actual
uninitialized use of sym.block takes place, but GCC 4.1 isn't yet
able to do that.
Fixed by adding an explicit initalization.



    	* cp-namespace.c (cp_lookup_symbol_via_imports): Fix uninitialized
    	variable warning with some compilers.
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diff --git a/gdb/cp-namespace.c b/gdb/cp-namespace.c
index aa29c92..f5f4bad 100644
--- a/gdb/cp-namespace.c
+++ b/gdb/cp-namespace.c
@@ -485,6 +485,7 @@  cp_lookup_symbol_via_imports (const char *scope,
   struct cleanup *searched_cleanup;
   sym.symbol = NULL;
+  sym.block = NULL;
   /* First, try to find the symbol in the given namespace if requested.  */
   if (search_scope_first)