[Issue 1747] New: math.hypot and conv.toReal & toString unittests failed on FreeBSD8

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=1747

           Summary: math.hypot and conv.toReal & toString unittests failed
                    on FreeBSD8
           Product: DGCC aka GDC
           Version: 0.24
          Platform: PC
        OS/Version: Other
            Status: NEW
          Severity: minor
          Priority: P2
         Component: Phobos
        AssignedTo: dvdfrdmn at users.sf.net
        ReportedBy: baryluk at mpi.int.pl


# make check

...

/usr/ports/lang/gdc/work/build/./gcc/gdc
-B/usr/ports/lang/gdc/work/build/./gcc/
-B/usr/local/i386-portbld-freebsd8.0/bin/
-B/usr/local/i386-portbld-freebsd8.0/lib/ -isystem
/usr/local/i386-portbld-freebsd8.0/include -isystem
/usr/local/i386-portbld-freebsd8.0/sys-include -o std/math.t.o -g -frelease -O2
-fversion=GC_Use_Alloc_MMap -fversion=GC_Use_Stack_FreeBSD
-fversion=GC_Use_Data_Fixed -nostdinc -pipe  -fno-release -funittest -I
../.././../gcc-4.1-20071105/libphobos -I
../.././../gcc-4.1-20071105/libphobos/internal/gc -I ./i386-portbld-freebsd8.0
-c ../.././../gcc-4.1-20071105/libphobos/std/math.d

....

gmake "AR_FLAGS=rc" "CC_FOR_BUILD=cc"
"CC_FOR_TARGET=/usr/ports/lang/gdc/work/build/./gcc/xgcc
-B/usr/ports/lang/gdc/work/build/./gcc/
-B/usr/local/i386-portbld-freebsd8.0/bin/
-B/usr/local/i386-portbld-freebsd8.0/lib/ -isystem
/usr/local/i386-portbld-freebsd8.0/include -isystem
/usr/local/i386-portbld-freebsd8.0/sys-include" "CFLAGS=-O2 -O3
-fno-strict-aliasing -pipe -funroll-loops -ffast-math -march=pentium3
-march=pentium3  " "CXXFLAGS=-O3 -fno-strict-aliasing -pipe -funroll-loops
-ffast-math -march=pentium3 -march=pentium3 " "CFLAGS_FOR_BUILD=-O3
-fno-strict-aliasing -pipe -funroll-loops -ffast-math -march=pentium3
-march=pentium3 " "CFLAGS_FOR_TARGET=-O2 -O3 -fno-strict-aliasing -pipe
-funroll-loops -ffast-math -march=pentium3 -march=pentium3  "
"INSTALL=/usr/bin/install -c -o root -g wheel" "INSTALL_DATA=install  -o root
-g wheel -m 444" "INSTALL_PROGRAM=install  -s -o root -g wheel -m 555"
"INSTALL_SCRIPT=install  -o root -g wheel -m 555" "LDFLAGS=" "LIBCFLAGS=-O2 -O3
-fno-strict-aliasing -pipe -funroll-loops -ffast-math -march=pentium3
-march=pentium3  " "LIBCFLAGS_FOR_TARGET=-O2 -O3 -fno-strict-aliasing -pipe
-funroll-loops -ffast-math -march=pentium3 -march=pentium3  " "MAKE=gmake"
"MAKEINFO=makeinfo --split-size=5000000  " "PICFLAG=" "PICFLAG_FOR_TARGET="
"SHELL=/bin/sh" "RUNTESTFLAGS=" "exec_prefix=/usr/local"
"infodir=/usr/local/info/" "libdir=/usr/local/lib"
"includedir=/usr/local/include" "prefix=/usr/local"
"tooldir=/usr/local/i386-portbld-freebsd8.0"
"gdc_include_dir=/usr/local/include/d/4.1.3" "AR=ar"
"AS=/usr/ports/lang/gdc/work/build/./gcc/as"
"LD=/usr/ports/lang/gdc/work/build/./gcc/collect-ld" "RANLIB=ranlib"
"NM=/usr/ports/lang/gdc/work/build/./gcc/nm" "NM_FOR_BUILD=" "NM_FOR_TARGET=nm"
"DESTDIR=" "WERROR=" check-local
gmake[3]: Entering directory
`/usr/ports/lang/gdc/work/build/i386-portbld-freebsd8.0/libphobos'
./unittest
hypot(0, 0) = 0, should be 0
hypot(0, 0) = 0, should be 0
hypot(3, 4) = 5, should be 5
hypot(-300, -400) = 500, should be 500
hypot(3.3621e-4932, 3.3621e-4932) = 0, should be 4.75473e-4932
hypot(5.94866e+4931, 5.94866e+4931) = inf, should be 8.41267e+4931
inf
Error: AssertError Failure
../.././../gcc-4.1-20071105/libphobos/std/math.d(1060)

...

0.456000000000000000005637851297    toReal(".456")
0.456000000000000016431300764452    .456L
Error: AssertError Failure
../.././../gcc-4.1-20071105/libphobos/std/conv.d(1069)

1.68105e-4932  toString(toReal(toString(real.min)))
3.3621e-4932   toString(real.min)
Error: AssertError Failure
../.././../gcc-4.1-20071105/libphobos/std/conv.d(1077)


...

/usr/ports/lang/gdc# ./work/build/gcc/gdc --version
gdc (GCC) 4.1.3 20071105 (prerelease   (gdc 0.24, using dmd 1.020))

# gcc -v
Using built-in specs.
Target: i386-undermydesk-freebsd
Configured with: FreeBSD/i386 system compiler
Thread model: posix
gcc version 4.2.1 20070719  [FreeBSD]

# uname -a
FreeBSD neutrino.smp.if.uj.edu 8.0-CURRENT-200712 FreeBSD 8.0-CURRENT-200712
#0: Mon Dec  3 23:53:49 UTC 2007    
root at almeida.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  i38

CPU: Pentium 3

Compile options:
-O3 -fno-strict-aliasing -pipe -funroll-loops -ffast-math -march=pentium3


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