git: e7cc5cda88f0 - stable/11 - libm: squelch -Woverflow from gcc6

[Dimitry Andric]

The branch stable/11 has been updated by dim:

URL: https://cgit.FreeBSD.org/src/commit/?id=e7cc5cda88f079b80636aa7f71b0fc671701f77d

commit e7cc5cda88f079b80636aa7f71b0fc671701f77d
Author:     Eric van Gyzen <vangyzen at FreeBSD.org>
AuthorDate: 2019-02-01 23:15:54 +0000
Commit:     Dimitry Andric <dim at FreeBSD.org>
CommitDate: 2021-04-15 18:51:18 +0000

    libm: squelch -Woverflow from gcc6
    
    Sponsored by:   Dell EMC Isilon
    
    (cherry picked from commit 50b06886a715d7be052e1742f7d11ce82928f134)
---
 lib/msun/Makefile | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/msun/Makefile b/lib/msun/Makefile
index 9b72bfa63a71..6ad0e0e5c428 100644
--- a/lib/msun/Makefile
+++ b/lib/msun/Makefile
@@ -108,6 +108,15 @@ COMMON_SRCS+=	catrigl.c \
 	s_nextafterl.c s_nexttoward.c s_remquol.c s_rintl.c s_roundl.c \
 	s_scalbnl.c s_sinl.c s_sincosl.c \
 	s_tanhl.c s_tanl.c s_truncl.c w_cabsl.c
+# Work around this warning from gcc 6:
+#     lib/msun/ld80/e_powl.c:275:1: error: floating constant exceeds range of
+#     'long double' [-Werror=overflow]
+#     if( y >= LDBL_MAX )
+# See also: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=130067
+.include <bsd.compiler.mk>
+.if ${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} >= 60000
+CFLAGS.e_powl.c+= -Wno-error=overflow
+.endif
 .endif
 
 # C99 complex functions