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PR c/529 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in nested function declarators. (pushdecl): Don't call warn_if_shadowing for PARM_DECL. (grokparms): Call warn_if_shadowing for parameters used within the parameter list. (store_parm_decls_newstyle): Call warn_if_shadowing for parameters not used within the parameter list. (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters. testsuite: * gcc.dg/Wshadow-3.c: New test. From-SVN: r102571
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