Re: bootstrap failure on i686-pc-linux-gnu

[Geoff Keating <geoffk at geoffk dot org>]

On 17/04/2006, at 9:55 PM, Ben Elliston wrote:

> Hi Geoff
>
> I'm seeing a bootstrap failure on x86 Linux that looks to be due to
> your change (noted below):
>
> /home/bje/build/gcc-clean/./gcc/xgcc -B/home/bje/build/gcc-clean/./ 
> gcc/ -B/usr/local/i686-pc-linux-gnu/bin/ -B/usr/local/i686-pc-linux- 
> gnu/lib/ -isystem /usr/local/i686-pc-linux-gnu/include -isystem / 
> usr/local/i686-pc-linux-gnu/sys-include -O2  -O2 -g -O2   - 
> DIN_GCC    -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing- 
> prototypes -Wold-style-definition  -isystem ./include  -fPIC -g - 
> DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED  -msse -c \
>                 /home/bje/source/gcc-clean/gcc/config/i386/ 
> crtfastmath.c \
>                 -o crtfastmath.o
> /home/bje/source/gcc-clean/gcc/config/i386/crtfastmath.c:110:  
> internal compiler error: in prune_unused_types_update_strings, at  
> dwarf2out.c:14009
> Please submit a full bug report,
> with preprocessed source if appropriate.
> See <URL:http://gcc.gnu.org/bugs.html> for instructions.
>
> 2006-04-17  Geoffrey Keating  <geoffk@apple.com>
>
> 	* dwarf2out.c (free_AT): Delete.
> 	(remove_AT): Update string ref counts.
> 	(remove_child_TAG): Don't call free_die.
> 	(free_die): Delete.
> 	(break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
> 	or DW_TAG_GNU_EINCL.
> 	(prune_unused_types_walk_attribs): Reset string refcounts.

Does this help?

@@ -13802,9 +13777,8 @@
        s->refcount++;
        /* Avoid unnecessarily putting strings that are used less than
           twice in the hash table.  */
-       if (s->refcount == 2
-           || (s->refcount == 1
-               && (DEBUG_STR_SECTION_FLAGS & SECTION_MERGE) != 0))
+       if (s->refcount
+           == ((DEBUG_STR_SECTION_FLAGS & SECTION_MERGE) ? 1 : 2))
          {
            void ** slot;
            slot = htab_find_slot_with_hash (debug_str_hash, s->str,

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