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* c-parse.in (parsing_iso_function_signature): New variable.
(extdef_1): New, copied from...
(extdef): ... here. Reset parsing_iso_function_signature.
(old_style_parm_decls): Reset parsing_iso_function_signature.
(old_style_parm_decls_1): New, copied from old_style_parm_decls.
Warn about ISO C style function definitions.
(nested_function, notype_nested_function): Reset
parsing_iso_function_signature.
(parmlist_2): Set parsing_iso_function_signature.
* doc/invoke.texi (-Wtraditional): Document new behavior.
gcc/testsuite:
* gcc.dg/cpp/tr-warn2.c: Use traditional C style function definitions.
* gcc.dg/wtr-aggr-init-1.c: Likewise.
* gcc.dg/wtr-conversion-1.c: Likewise.
* gcc.dg/wtr-escape-1.c: Likewise.
* gcc.dg/wtr-int-type-1.c: Likewise.
* gcc.dg/wtr-label-1.c: Likewise.
* gcc.dg/wtr-static-1.c: Likewise.
* gcc.dg/wtr-strcat-1.c: Likewise.
* gcc.dg/wtr-suffix-1.c: Likewise.
* gcc.dg/wtr-switch-1.c: Likewise.
* gcc.dg/wtr-unary-plus-1.c: Likewise.
* gcc.dg/wtr-union-init-1.c: Likewise.
* gcc.dg/wtr-union-init-2.c: Likewise.
* gcc.dg/wtr-union-init-3.c: Likewise.
* gcc.dg/wtr-func-def-1.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55201 138bc75d-0d04-0410-961f-82ee72b054a4
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re-enables the warning.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@48248 138bc75d-0d04-0410-961f-82ee72b054a4
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wtr-label-1.c, wtr-static-1.c, wtr-strcat-1.c, wtr-suffix-1.c,
wtr-switch-1.c, wtr-unary-plus-1.c, wtr-union-init-1.c
wtr-union-init-2.c, wtr-union-init-3.c: Update.
* gcc.dg/cpp/extratokens.c, tr-warn4.c, tr-warn5.c, tr-warn6.c:
Update.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38121 138bc75d-0d04-0410-961f-82ee72b054a4
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gcc.dg/wtr-aggr-init-1.c, gcc.dg/wtr-escape-1.c,
gcc.dg/wtr-int-type-1.c, gcc.dg/wtr-static-1.c,
gcc.dg/wtr-strcat-1.c, gcc.dg/wtr-switch-1.c,
gcc.dg/wtr-unary-plus-1.c, gcc.dg/wtr-union-init-1.c: New tests.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35913 138bc75d-0d04-0410-961f-82ee72b054a4
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