[Bug bootstrap/37122] fixed-value.c and tree-ssa-loop-ivopts.c won't compile with Sun Studio 11 on Solaris 9 due to incompatible operand types

[skunk at iskunk dot org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37122

--- Comment #6 from Daniel Richard G. <skunk at iskunk dot org> 2012-05-11 19:16:50 UTC ---
Created attachment 27383
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27383
updated patch for 4.7.0

I got bitten by this recently. Bootstrapping GCC 4.7.0 on Solaris 8:

[...]
cc -xarch=v9 -xildoff -c   -g -DIN_GCC    -DHAVE_CONFIG_H -I. -I.
-I/home/src/gcc-4.7.0/gcc -I/home/src/gcc-4.7.0/gcc/.
-I/home/src/gcc-4.7.0/gcc/../include
-I/home/src/gcc-4.7.0/gcc/../libcpp/include -I/tg/freeport/arch/sunos64/include
-I/tg/freeport/arch/sunos64/include -I/tg/freeport/arch/sunos64/include 
-I/home/src/gcc-4.7.0/gcc/../libdecnumber
-I/home/src/gcc-4.7.0/gcc/../libdecnumber/dpd -I../libdecnumber   
/home/src/gcc-4.7.0/gcc/tree-ssa-loop-ivopts.c -o tree-ssa-loop-ivopts.o
"/home/src/gcc-4.7.0/gcc/tree-ssa-loop-ivopts.c", line 6047: operands have
incompatible types:
     struct  {int cost, unsigned int complexity} ":" const struct  {int cost,
unsigned int complexity}
"/home/src/gcc-4.7.0/gcc/tree-ssa-loop-ivopts.c", line 6048: operands have
incompatible types:
     struct  {int cost, unsigned int complexity} ":" const struct  {int cost,
unsigned int complexity}
cc: acomp failed for /home/src/gcc-4.7.0/gcc/tree-ssa-loop-ivopts.c
gmake[3]: *** [tree-ssa-loop-ivopts.o] Error 2
gmake[3]: Leaving directory `/tmp/gcc-build/gcc'
gmake[2]: *** [all-stage1-gcc] Error 2
gmake[2]: Leaving directory `/tmp/gcc-build'
gmake[1]: *** [stage1-bubble] Error 2
gmake[1]: Leaving directory `/tmp/gcc-build'
gmake: *** [bootstrap-lean] Error 2


I'd love to patch the compiler, but Oracle won't let me do that unless I give
them a fat wad of money. David's patch to the source is no longer applicable to
4.7.0, so I'm attaching an update.