gcc 2.96 bug

[Robin Kirkham <Robin dot Kirkham at cmst dot csiro dot au>]

xxx.i:

# 1 "xxx.c"

struct {
    int ioffset;
    double scale;
    int prog;
    char *name;
} iio_dmm32at_dacrange[NRANGES] = {
    { 0x800, 10.0/4096, 0, "-5 to +5V" },
    { 0x0, 5.0/4096, 0, "0 to +5V" },
    { 0x800, 20.0/4096, 0, "-10 to +10V" },
    { 0x0, 10.0/4096, 0, "0 to +10V" },
    { 0x0, 1.0/4096, 1, "0 to +pV" },
    { 0x800, 2.0/4096, 1, "-p to +pV" }
};

output from gcc:

% gcc -v --save-temps xxx.c 
Reading specs from /opt/gnudev/lib/gcc-lib/sparc-sun-solaris2.5.1/2.96/specs
gcc version 2.96 20000721 (experimental)
 /opt/gnudev/lib/gcc-lib/sparc-sun-solaris2.5.1/2.96/cpp -lang-c -v -iprefix
/opt/vxworks/lib/gcc-lib/sparc-sun-solaris2.5.1/2.96/ -D__GNUC__=2
-D__GNUC_MINOR__=96 -D__GNUC_PATCHLEVEL__=0 -Dsparc -Dsun -Dunix -D__svr4__
-D__SVR4 -D__sparc__ -D__sun__ -D__unix__ -D__svr4__ -D__SVR4 -D__sparc -D__sun
-D__unix -Asystem(unix) -Asystem(svr4) -D__GCC_NEW_VARARGS__ -Acpu(sparc)
-Amachine(sparc) xxx.c xxx.i
GNU CPP version 2.96 20000721 (experimental) (cpplib)
 (sparc)
ignoring nonexistent directory
"/opt/vxworks/lib/gcc-lib/sparc-sun-solaris2.5.1/2.96/include"
ignoring nonexistent directory "/opt/vxworks/sparc-sun-solaris2.5.1/include"
#include iclude "..." search starts here:
#include iclude <...> search starts here:
 /opt/gnudev/include
 /opt/gnudev/lib/gcc-lib/sparc-sun-solaris2.5.1/2.96/include
 /opt/gnudev/sparc-sun-solaris2.5.1/include
 /usr/include
End of search list.
 /opt/gnudev/lib/gcc-lib/sparc-sun-solaris2.5.1/2.96/cc1 xxx.i -quiet -dumpbase
xxx.c -version -o xxx.s
GNU C version 2.96 20000721 (experimental) (sparc-sun-solaris2.5.1) compiled by
GNU C version 2.96 20000502 (experimental).
xxx.c:7: `NRANGES' undeclared here (not in a function)
xxx.c:7: Tree check: expected class 't', have 'x' (error_mark)
xxx.c:7: Internal compiler error in grokdeclarator, at c-decl.c:4612
Please submit a full bug report.
See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.
% 

unpreprocessed source file xxx.c (I should have used NDACRANGES, not NRANGES):

#define NDACRANGES 6
struct {
    int ioffset;
    double scale;
    int prog;
    char *name;
} iio_dmm32at_dacrange[NRANGES] = {
    { 0x800,    10.0/4096,      0,      "-5 to +5V" },
    { 0x0,      5.0/4096,       0,      "0 to +5V" },
    { 0x800,    20.0/4096,      0,      "-10 to +10V" },
    { 0x0,      10.0/4096,      0,      "0 to +10V" },
    { 0x0,      1.0/4096,       1,      "0 to +pV" },
    { 0x800,    2.0/4096,       1,      "-p to +pV" }
};