git: c7bb9802495a - stable/12 - Disable errors for -Wredundant-decls for GCC 6+.

[Dimitry Andric]

The branch stable/12 has been updated by dim:

URL: https://cgit.FreeBSD.org/src/commit/?id=c7bb9802495a0c0b4efa2754c3257a783525a03d

commit c7bb9802495a0c0b4efa2754c3257a783525a03d
Author:     John Baldwin <jhb at FreeBSD.org>
AuthorDate: 2020-08-04 18:20:39 +0000
Commit:     Dimitry Andric <dim at FreeBSD.org>
CommitDate: 2021-09-02 23:30:15 +0000

    Disable errors for -Wredundant-decls for GCC 6+.
    
    GCC triggers warnings for this that clang does not for duplicate
    declarations of yylex().
    
    Differential Revision:  https://reviews.freebsd.org/D25727
    
    (cherry picked from commit 0ea6e5109d681b55886f61822ec23a4404d3eac5)
---
 share/mk/bsd.sys.mk | 1 +
 1 file changed, 1 insertion(+)

diff --git a/share/mk/bsd.sys.mk b/share/mk/bsd.sys.mk
index 671a180dbfba..92c4e5b12241 100644
--- a/share/mk/bsd.sys.mk
+++ b/share/mk/bsd.sys.mk
@@ -152,6 +152,7 @@ CWARNFLAGS+=	-Wno-error=address			\
 .if ${COMPILER_VERSION} >= 60100
 CWARNFLAGS+=	-Wno-error=maybe-uninitialized		\
 		-Wno-error=nonnull-compare		\
+		-Wno-error=redundant-decls		\
 		-Wno-error=shift-negative-value		\
 		-Wno-error=tautological-compare		\
 		-Wno-error=unused-const-variable