Strange error while building port-alpha

[Paul Goyette <paul%whooppee.com@localhost>]

With recent sources, I got the following error:

#   compile  libc/thread-stub.o
/build/netbsd-local/tools/x86_64/alpha/bin/alpha--netbsd-gcc -O2 -std=gnu99  
-Wall -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith 
-Wno-sign-compare  -Wno-traditional  -Wa,--fatal-warnings -Wreturn-type 
-Wswitch -Wshadow -Wcast-qual -Wwrite-strings -Wextra -Wno-unused-parameter 
-Wno-sign-compare -Wold-style-definition -Wsign-compare -Wformat=2   
-Wno-format-zero-length  -Werror  -mieee    
--sysroot=/build/netbsd-local/dest/alpha -D_LIBC -DLIBC_SCCS -DSYSLIBC_SCCS 
-D_REENTRANT -D_DIAGNOSTIC -DHESIOD -DINET6 -DNLS -DYP 
-I/build/netbsd-local/src/lib/libc/include -I/build/netbsd-local/src/lib/libc 
-I. -I/build/netbsd-local/src/sys 
-I/build/netbsd-local/src/lib/libc/compat/../locale 
-I/build/netbsd-local/src/lib/libc/compat/stdlib 
-I/build/netbsd-local/src/lib/libc/compat/../stdlib 
-I/build/netbsd-local/src/lib/libc/../../common/lib/libc/quad 
-I/build/netbsd-local/src/lib/libc/../../common/lib/libc/string 
-I/build/netbsd-local/src/lib/libc/../../common/lib/libc/arch/alpha/string 
-D__DBINTERFACE_PRIVATE -I/build/netbsd-local/src/libexec/ld.elf_so 
-I/build/netbsd-local/src/lib/libc/dlfcn 
-I/build/netbsd-local/src/lib/libc/gdtoa -DNO_FENV_H 
-I/build/netbsd-local/src/lib/libc/arch/alpha/gdtoa -DWITH_RUNE 
-I/build/netbsd-local/src/lib/libc -DPOSIX_MISTAKE -DCOMPAT__RES -DUSE_POLL 
-DPORTMAP -DWIDE_DOUBLE -DALL_STATE -DUSG_COMPAT  -c    
/build/netbsd-local/src/lib/libc/thread-stub/thread-stub.c -o thread-stub.o
/var/tmp//ccmYCWQ5.s: Assembler messages:
/var/tmp//ccmYCWQ5.s:278: Warning: .end directive names different symbol than 
.ent
/var/tmp//ccmYCWQ5.s: Error: 1 warnings, treating warnings as errors
*** [thread-stub.o] Error code 1
nbmake: stopped in /build/netbsd-local/src/lib/libc
1 error


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