git: 93d6fa53c995 - main - Disable -Woverflow errors for i386 for GCC 9.

[John Baldwin]

The branch main has been updated by jhb:

URL: https://cgit.FreeBSD.org/src/commit/?id=93d6fa53c9951563be3081a347cc4dc1917ad452

commit 93d6fa53c9951563be3081a347cc4dc1917ad452
Author:     John Baldwin <jhb at FreeBSD.org>
AuthorDate: 2021-09-13 18:00:38 +0000
Commit:     John Baldwin <jhb at FreeBSD.org>
CommitDate: 2021-09-13 18:00:38 +0000

    Disable -Woverflow errors for i386 for GCC 9.
    
    GCC 9 warns about floating point constants overflowing for i386.
    
    Reviewed by:    emaste
    Differential Revision:  https://reviews.freebsd.org/D26201
---
 share/mk/bsd.sys.mk | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/share/mk/bsd.sys.mk b/share/mk/bsd.sys.mk
index 304d8dd7d243..14b643fe0a20 100644
--- a/share/mk/bsd.sys.mk
+++ b/share/mk/bsd.sys.mk
@@ -196,6 +196,13 @@ CWARNFLAGS+=	-Wno-error=aggressive-loop-optimizations	\
 		-Wno-error=stringop-truncation
 .endif
 
+# GCC 9.2.0
+.if ${COMPILER_VERSION} >= 90200
+.if ${MACHINE_ARCH} == "i386"
+CWARNFLAGS+=	-Wno-error=overflow
+.endif
+.endif
+
 # GCC's own arm_neon.h triggers various warnings
 .if ${MACHINE_CPUARCH} == "aarch64"
 CWARNFLAGS+=	-Wno-system-headers