Fix bug where static forward declarations weren't accepted.
This allows us to fix non-ISO-C constructs in our kernel to legal ISO-C. Submitted by: rodrigc Obtained from: http://gcc.gnu.org/ml/gcc-patches/2005-09/msg00006.html
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=149846
@ -1264,7 +1264,10 @@ diagnose_mismatched_decls (tree newdecl, tree olddecl,
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&& !(DECL_EXTERNAL (olddecl) && !DECL_EXTERNAL (newdecl))
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/* Don't warn about forward parameter decls. */
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&& !(TREE_CODE (newdecl) == PARM_DECL
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&& TREE_ASM_WRITTEN (olddecl) && !TREE_ASM_WRITTEN (newdecl)))
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&& TREE_ASM_WRITTEN (olddecl) && !TREE_ASM_WRITTEN (newdecl))
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/* Don't warn about a variable definition following a declaration. */
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&& !(TREE_CODE (newdecl) == VAR_DECL
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&& DECL_INITIAL (newdecl) && !DECL_INITIAL (olddecl)))
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{
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warning ("%Jredundant redeclaration of '%D'", newdecl, newdecl);
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warned = true;
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