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* [Bug middle-end/56640] New: [4.8 Regression] bootstrap failure on arm-linux-gnueabi{,hf}
@ 2013-03-17 15:21 doko at gcc dot gnu.org
  2013-03-17 15:23 ` [Bug middle-end/56640] " doko at gcc dot gnu.org
                   ` (6 more replies)
  0 siblings, 7 replies; 8+ messages in thread
From: doko at gcc dot gnu.org @ 2013-03-17 15:21 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56640

             Bug #: 56640
           Summary: [4.8 Regression] bootstrap failure on
                    arm-linux-gnueabi{,hf}
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: doko@gcc.gnu.org


seen with the 4.8.0 release candidate on arm-linux-gnueabi{,hf}

/build/buildd-gcc-4.8_4.8-20130315-1-armhf-5HYdhU/gcc-4.8-4.8-20130315/build/./prev-gcc/xg++
-B/build/buildd-gcc-4.8_4.8-20130315-1-armhf-5HYdhU/gcc-4.8-4.8-20130315/build/./prev-gcc/
-B/usr/arm-linux-gnueabihf/bin/ -nostdinc++
-B/build/buildd-gcc-4.8_4.8-20130315-1-armhf-5HYdhU/gcc-4.8-4.8-20130315/build/prev-arm-linux-gnueabihf/libstdc++-v3/src/.libs
-B/build/buildd-gcc-4.8_4.8-20130315-1-armhf-5HYdhU/gcc-4.8-4.8-20130315/build/prev-arm-linux-gnueabihf/libstdc++-v3/libsupc++/.libs
-I/build/buildd-gcc-4.8_4.8-20130315-1-armhf-5HYdhU/gcc-4.8-4.8-20130315/build/prev-arm-linux-gnueabihf/libstdc++-v3/include/arm-linux-gnueabihf
-I/build/buildd-gcc-4.8_4.8-20130315-1-armhf-5HYdhU/gcc-4.8-4.8-20130315/build/prev-arm-linux-gnueabihf/libstdc++-v3/include
-I/build/buildd-gcc-4.8_4.8-20130315-1-armhf-5HYdhU/gcc-4.8-4.8-20130315/src/libstdc++-v3/libsupc++
-L/build/buildd-gcc-4.8_4.8-20130315-1-armhf-5HYdhU/gcc-4.8-4.8-20130315/build/prev-arm-linux-gnueabihf/libstdc++-v3/src/.libs
-L/build/buildd-gcc-4.8_4.8-20130315-1-armhf-5HYdhU/gcc-4.8-4.8-20130315/build/prev-arm-linux-gnueabihf/libstdc++-v3/libsupc++/.libs
-c   -g -O2 -gtoggle -DIN_GCC   -fno-exceptions -fno-rtti
-fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wmissing-format-attribute -pedantic -Wno-long-long
-Wno-variadic-macros -Wno-overlength-strings -Werror   -DHAVE_CONFIG_H -I. -I.
-I../../src/gcc -I../../src/gcc/. -I../../src/gcc/../include
-I../../src/gcc/../libcpp/include  -I../../src/gcc/../libdecnumber
-I../../src/gcc/../libdecnumber/dpd -I../libdecnumber
-I../../src/gcc/../libbacktrace -DCLOOG_INT_GMP    ../../src/gcc/ira.c -o ira.o
../../src/gcc/ira.c: In function 'void print_translated_classes(FILE*, bool)':
../../src/gcc/ira.c:1396:49: error: iteration 16u invokes undefined behavior
[-Werror=aggressive-loop-optimizations]
     fprintf (f, " %s -> %s\n", reg_class_names[i],
                                                 ^
../../src/gcc/ira.c:1395:3: note: containing loop
   for (i = 0; i < N_REG_CLASSES; i++)
   ^
cc1plus: all warnings being treated as errors
make[5]: *** [ira.o] Error 1

configured with

Configured with: -v
     --with-pkgversion='Debian 4.8-20130315-1'
     --with-bugurl='file:///usr/share/doc/gcc-4.8/README.Bugs'
     --enable-languages=c,c++,go,fortran,objc,obj-c++
     --prefix=/usr
     --program-suffix=-4.8
     --enable-shared
     --enable-linker-build-id
     --libexecdir=/usr/lib
     --without-included-gettext
     --enable-threads=posix
     --with-gxx-include-dir=/usr/include/c++/4.8
     --libdir=/usr/lib
     --enable-nls
     --with-sysroot=/
     --enable-clocale=gnu
     --enable-libstdcxx-debug
     --enable-libstdcxx-time=yes
     --enable-gnu-unique-object
     --disable-libitm
     --enable-plugin
     --with-system-zlib
     --enable-objc-gc
     --enable-multiarch
     --disable-sjlj-exceptions
     --with-arch=armv7-a
     --with-fpu=vfpv3-d16
     --with-float=hard
     --with-mode=thumb
     --enable-checking=release
     --build=arm-linux-gnueabihf
     --host=arm-linux-gnueabihf
     --target=arm-linux-gnueabihf

and 

Configured with: -v
     --with-pkgversion='Debian 4.8-20130315-1'
     --with-bugurl='file:///usr/share/doc/gcc-4.8/README.Bugs'
     --enable-languages=c,c++,go,fortran,objc,obj-c++
     --prefix=/usr
     --program-suffix=-4.8
     --enable-shared
     --enable-linker-build-id
     --libexecdir=/usr/lib
     --without-included-gettext
     --enable-threads=posix
     --with-gxx-include-dir=/usr/include/c++/4.8
     --libdir=/usr/lib
     --enable-nls
     --with-sysroot=/
     --enable-clocale=gnu
     --enable-libstdcxx-debug
     --enable-libstdcxx-time=yes
     --enable-gnu-unique-object
     --disable-libitm
     --enable-plugin
     --with-system-zlib
     --enable-objc-gc
     --enable-multiarch
     --disable-sjlj-exceptions
     --with-arch=armv4t
     --with-float=soft
     --enable-checking=release
     --build=arm-linux-gnueabi
     --host=arm-linux-gnueabi
     --target=arm-linux-gnueabi


^ permalink raw reply	[flat|nested] 8+ messages in thread
* [Bug middle-end/56640] [4.8 Regression] bootstrap failure on arm-linux-gnueabi{,hf}
  2013-03-17 15:21 [Bug middle-end/56640] New: [4.8 Regression] bootstrap failure on arm-linux-gnueabi{,hf} doko at gcc dot gnu.org
@ 2013-03-17 15:23 ` doko at gcc dot gnu.org
  2013-03-17 15:25 ` doko at gcc dot gnu.org
                   ` (5 subsequent siblings)
  6 siblings, 0 replies; 8+ messages in thread
From: doko at gcc dot gnu.org @ 2013-03-17 15:23 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56640

Matthias Klose <doko at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ice-on-valid-code
             Target|                            |arm-linxux-gnueabihf
                   |                            |arm-linxux-gnueabi
      Known to fail|                            |4.8.0

--- Comment #1 from Matthias Klose <doko at gcc dot gnu.org> 2013-03-17 15:23:03 UTC ---
this fails for my Debian builds, as seen in
https://buildd.debian.org/status/package.php?p=gcc-4.8&suite=experimental

but succeeds for my Ubuntu build (the hard float configuration):
https://launchpad.net/~ubuntu-toolchain-r/+archive/test/+build/4374070


^ permalink raw reply	[flat|nested] 8+ messages in thread
* [Bug middle-end/56640] [4.8 Regression] bootstrap failure on arm-linux-gnueabi{,hf}
  2013-03-17 15:21 [Bug middle-end/56640] New: [4.8 Regression] bootstrap failure on arm-linux-gnueabi{,hf} doko at gcc dot gnu.org
  2013-03-17 15:23 ` [Bug middle-end/56640] " doko at gcc dot gnu.org
@ 2013-03-17 15:25 ` doko at gcc dot gnu.org
  2013-03-17 16:23 ` [Bug target/56640] " jakub at gcc dot gnu.org
                   ` (4 subsequent siblings)
  6 siblings, 0 replies; 8+ messages in thread
From: doko at gcc dot gnu.org @ 2013-03-17 15:25 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56640

--- Comment #2 from Matthias Klose <doko at gcc dot gnu.org> 2013-03-17 15:24:52 UTC ---
the Debian builds use glibc-2.13 and binutils 2.22.x., the Ubuntu build
glibc-2.17 and binutils-2.23.x


^ permalink raw reply	[flat|nested] 8+ messages in thread
* [Bug target/56640] [4.8 Regression] bootstrap failure on arm-linux-gnueabi{,hf}
  2013-03-17 15:21 [Bug middle-end/56640] New: [4.8 Regression] bootstrap failure on arm-linux-gnueabi{,hf} doko at gcc dot gnu.org
  2013-03-17 15:23 ` [Bug middle-end/56640] " doko at gcc dot gnu.org
  2013-03-17 15:25 ` doko at gcc dot gnu.org
@ 2013-03-17 16:23 ` jakub at gcc dot gnu.org
  2013-03-17 16:25 ` jakub at gcc dot gnu.org
                   ` (3 subsequent siblings)
  6 siblings, 0 replies; 8+ messages in thread
From: jakub at gcc dot gnu.org @ 2013-03-17 16:23 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56640

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2013-03-17
                 CC|                            |jakub at gcc dot gnu.org
          Component|middle-end                  |target
   Target Milestone|---                         |4.8.0
     Ever Confirmed|0                           |1


^ permalink raw reply	[flat|nested] 8+ messages in thread
* [Bug target/56640] [4.8 Regression] bootstrap failure on arm-linux-gnueabi{,hf}
  2013-03-17 15:21 [Bug middle-end/56640] New: [4.8 Regression] bootstrap failure on arm-linux-gnueabi{,hf} doko at gcc dot gnu.org
                   ` (2 preceding siblings ...)
  2013-03-17 16:23 ` [Bug target/56640] " jakub at gcc dot gnu.org
@ 2013-03-17 16:25 ` jakub at gcc dot gnu.org
  2013-03-17 16:28 ` jakub at gcc dot gnu.org
                   ` (2 subsequent siblings)
  6 siblings, 0 replies; 8+ messages in thread
From: jakub at gcc dot gnu.org @ 2013-03-17 16:25 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56640

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
         AssignedTo|unassigned at gcc dot       |jakub at gcc dot gnu.org
                   |gnu.org                     |

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-03-17 16:25:06 UTC ---
Created attachment 29683
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29683
gcc48-pr56640.patch

Untested fix.


^ permalink raw reply	[flat|nested] 8+ messages in thread
* [Bug target/56640] [4.8 Regression] bootstrap failure on arm-linux-gnueabi{,hf}
  2013-03-17 15:21 [Bug middle-end/56640] New: [4.8 Regression] bootstrap failure on arm-linux-gnueabi{,hf} doko at gcc dot gnu.org
                   ` (3 preceding siblings ...)
  2013-03-17 16:25 ` jakub at gcc dot gnu.org
@ 2013-03-17 16:28 ` jakub at gcc dot gnu.org
  2013-03-17 16:29 ` jakub at gcc dot gnu.org
  2013-03-18 11:13 ` rguenth at gcc dot gnu.org
  6 siblings, 0 replies; 8+ messages in thread
From: jakub at gcc dot gnu.org @ 2013-03-17 16:28 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56640

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-03-17 16:28:27 UTC ---
Author: jakub
Date: Sun Mar 17 16:28:16 2013
New Revision: 196753

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=196753
Log:
    PR target/56640
    * config/arm/arm.h (REG_CLASS_NAMES): Add "SFP_REG" and "AFP_REG"
    class names.  Remove trailing comma after "ALL_REGS".

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/arm/arm.h


^ permalink raw reply	[flat|nested] 8+ messages in thread
* [Bug target/56640] [4.8 Regression] bootstrap failure on arm-linux-gnueabi{,hf}
  2013-03-17 15:21 [Bug middle-end/56640] New: [4.8 Regression] bootstrap failure on arm-linux-gnueabi{,hf} doko at gcc dot gnu.org
                   ` (4 preceding siblings ...)
  2013-03-17 16:28 ` jakub at gcc dot gnu.org
@ 2013-03-17 16:29 ` jakub at gcc dot gnu.org
  2013-03-18 11:13 ` rguenth at gcc dot gnu.org
  6 siblings, 0 replies; 8+ messages in thread
From: jakub at gcc dot gnu.org @ 2013-03-17 16:29 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56640

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-03-17 16:29:07 UTC ---
Author: jakub
Date: Sun Mar 17 16:28:55 2013
New Revision: 196754

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=196754
Log:
    PR target/56640
    * config/arm/arm.h (REG_CLASS_NAMES): Add "SFP_REG" and "AFP_REG"
    class names.  Remove trailing comma after "ALL_REGS".

Modified:
    branches/gcc-4_8-branch/gcc/ChangeLog
    branches/gcc-4_8-branch/gcc/config/arm/arm.h


^ permalink raw reply	[flat|nested] 8+ messages in thread
* [Bug target/56640] [4.8 Regression] bootstrap failure on arm-linux-gnueabi{,hf}
  2013-03-17 15:21 [Bug middle-end/56640] New: [4.8 Regression] bootstrap failure on arm-linux-gnueabi{,hf} doko at gcc dot gnu.org
                   ` (5 preceding siblings ...)
  2013-03-17 16:29 ` jakub at gcc dot gnu.org
@ 2013-03-18 11:13 ` rguenth at gcc dot gnu.org
  6 siblings, 0 replies; 8+ messages in thread
From: rguenth at gcc dot gnu.org @ 2013-03-18 11:13 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56640

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> 2013-03-18 11:13:06 UTC ---
Fixed.


^ permalink raw reply	[flat|nested] 8+ messages in thread
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2013-03-17 15:21 [Bug middle-end/56640] New: [4.8 Regression] bootstrap failure on arm-linux-gnueabi{,hf} doko at gcc dot gnu.org
2013-03-17 15:23 ` [Bug middle-end/56640] " doko at gcc dot gnu.org
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2013-03-17 16:23 ` [Bug target/56640] " jakub at gcc dot gnu.org
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