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[Bug target/42102] ICE of optimize


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=42102

Martin Sebor <msebor at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
                 CC|                            |msebor at gcc dot gnu.org
         Resolution|---                         |FIXED

--- Comment #2 from Martin Sebor <msebor at gcc dot gnu.org> ---
Current trunk (GCC 7) configured for the rx-elf target compiles the test case
successfully.  Resolving as fixed. 

$ /build/rx-elf/gcc-trunk/gcc/xgcc -B /build/rx-elf/gcc-trunk/gcc  -S -O2 -v
t.c
Reading specs from /build/rx-elf/gcc-trunk/gcc/specs
COLLECT_GCC=/build/rx-elf/gcc-trunk/gcc/xgcc
Target: rx-elf
Configured with: /src/gcc/trunk/configure --enable-languages=c,c++
--prefix=/build/sysroot/rx-elf --build=x86_64-pc-linux-gnu
--host=x86_64-pc-linux-gnu --target=rx-elf --without-headers
Thread model: single
gcc version 7.0.1 20170207 (experimental) (GCC) 
COLLECT_GCC_OPTIONS='-B' '/build/rx-elf/gcc-trunk/gcc' '-S' '-O2' '-v'
 /build/rx-elf/gcc-trunk/gcc/cc1 -quiet -v -iprefix
/home/msebor/build/rx-elf/gcc-trunk/gcc/../lib/gcc/rx-elf/7.0.1/ -isystem
/build/rx-elf/gcc-trunk/gcc/include -isystem
/build/rx-elf/gcc-trunk/gcc/include-fixed t.c -quiet -dumpbase t.c -auxbase t
-O2 -version -o t.s
GNU C11 (GCC) version 7.0.1 20170207 (experimental) (rx-elf)
        compiled by GNU C version 5.3.1 20151207 (Red Hat 5.3.1-2), GMP version
6.1.0, MPFR version 3.1.4, MPC version 1.0.3, isl version 0.15
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
...
#include "..." search starts here:
#include <...> search starts here:
 /build/rx-elf/gcc-trunk/gcc/include
 /build/rx-elf/gcc-trunk/gcc/include-fixed
End of search list.
GNU C11 (GCC) version 7.0.1 20170207 (experimental) (rx-elf)
        compiled by GNU C version 5.3.1 20151207 (Red Hat 5.3.1-2), GMP version
6.1.0, MPFR version 3.1.4, MPC version 1.0.3, isl version 0.15
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
Compiler executable checksum: 982af928627021b9f23f5068d2fd4ae5
t.c: In function ‘pagevec_release’:
t.c:27:6: warning: implicit declaration of function ‘pagevec_count’; did you
mean ‘pagevec_release’? [-Wimplicit-function-declaration]
  if (pagevec_count(pvec))
      ^~~~~~~~~~~~~
      pagevec_release
t.c:28:3: warning: implicit declaration of function ‘__pagevec_release’; did
you mean ‘pagevec_release’? [-Wimplicit-function-declaration]
   __pagevec_release(pvec);
   ^~~~~~~~~~~~~~~~~
   pagevec_release
t.c: In function ‘write_cache_pages’:
t.c:52:14: warning: implicit declaration of function ‘pagevec_lookup_tag’
[-Wimplicit-function-declaration]
   nr_pages = pagevec_lookup_tag(&pvec, mapping, &index,
              ^~~~~~~~~~~~~~~~~~
t.c:57:4: warning: implicit declaration of function ‘lock_page’
[-Wimplicit-function-declaration]
    lock_page(page);
    ^~~~~~~~~
t.c:60:5: warning: implicit declaration of function ‘unlock_page’
[-Wimplicit-function-declaration]
     unlock_page(page);
     ^~~~~~~~~~~
t.c:64:9: warning: implicit declaration of function ‘clear_page_dirty_for_io’
[-Wimplicit-function-declaration]
    if (!clear_page_dirty_for_io(page))
         ^~~~~~~~~~~~~~~~~~~~~~~
t.c:67:28: warning: implicit declaration of function ‘bdi_write_congested’
[-Wimplicit-function-declaration]
    if (wbc->nonblocking && bdi_write_congested(bdi)) {
                            ^~~~~~~~~~~~~~~~~~~
COMPILER_PATH=/build/rx-elf/gcc-trunk/gcc/
LIBRARY_PATH=/build/rx-elf/gcc-trunk/gcc/
COLLECT_GCC_OPTIONS='-B' '/build/rx-elf/gcc-trunk/gcc' '-S' '-O2' '-v'

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