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* [Bug c++/53761] New: ICE (only with C++) on incorrect transparent union (first field has floating point type) @ 2012-06-24 14:30 br+gcc at waldteufel dot eu 2012-06-25 8:14 ` [Bug c++/53761] " rguenth at gcc dot gnu.org ` (3 more replies) 0 siblings, 4 replies; 5+ messages in thread From: br+gcc at waldteufel dot eu @ 2012-06-24 14:30 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53761 Bug #: 53761 Summary: ICE (only with C++) on incorrect transparent union (first field has floating point type) Classification: Unclassified Product: gcc Version: 4.7.1 Status: UNCONFIRMED Severity: minor Priority: P3 Component: c++ AssignedTo: unassigned@gcc.gnu.org ReportedBy: br+gcc@waldteufel.eu While compiling typedef union { double x; } __attribute__(( __transparent_union__ )) example_t; void fail(example_t x) { } int main() { example_t x; fail(x); } as C code results in a warning message (see below for detailed system information) > gcc fail.c fail.c:1:9: warning: union cannot be made transparent [enabled by default] compiling the same code as C++ results in an ICE > g++ -v fail.cc Using built-in specs. COLLECT_GCC=g++ COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.1/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: /build/src/gcc-4.7.1/configure --prefix=/usr --libdir=/usr/lib --libexecdir=/usr/lib --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=https://bugs.archlinux.org/ --enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++ --enable-shared --enable-threads=posix --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-clocale=gnu --disable-libstdcxx-pch --enable-libstdcxx-time --enable-gnu-unique-object --enable-linker-build-id --with-ppl --enable-cloog-backend=isl --enable-lto --enable-gold --enable-ld=default --enable-plugin --with-plugin-ld=ld.gold --with-linker-hash-style=gnu --disable-multilib --disable-libssp --disable-build-with-cxx --disable-build-poststage1-with-cxx --enable-checking=release Thread model: posix gcc version 4.7.1 (GCC) COLLECT_GCC_OPTIONS='-v' '-shared-libgcc' '-mtune=generic' '-march=x86-64' /usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.1/cc1plus -quiet -v -D_GNU_SOURCE fail.cc -quiet -dumpbase fail.cc -mtune=generic -march=x86-64 -auxbase fail -version -o /tmp/cc6IkFB2.s GNU C++ (GCC) version 4.7.1 (x86_64-unknown-linux-gnu) compiled by GNU C version 4.7.1, GMP version 5.0.5, MPFR version 3.1.0-p10, MPC version 0.9 GGC heuristics: --param ggc-min-expand=97 --param ggc-min-heapsize=126590 ignoring nonexistent directory "/usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.1/../../../../x86_64-unknown-linux-gnu/include" #include "..." search starts here: #include <...> search starts here: /usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.1/../../../../include/c++/4.7.1 /usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.1/../../../../include/c++/4.7.1/x86_64-unknown-linux-gnu /usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.1/../../../../include/c++/4.7.1/backward /usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.1/include /usr/local/include /usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.1/include-fixed /usr/include End of search list. GNU C++ (GCC) version 4.7.1 (x86_64-unknown-linux-gnu) compiled by GNU C version 4.7.1, GMP version 5.0.5, MPFR version 3.1.0-p10, MPC version 0.9 GGC heuristics: --param ggc-min-expand=97 --param ggc-min-heapsize=126590 Compiler executable checksum: ed88b587bcb9a173af71789c9d103676 fail.cc: In function 'int main()': fail.cc:9:11: internal compiler error: in convert_move, at expr.c:325 Please submit a full bug report, with preprocessed source if appropriate. See <https://bugs.archlinux.org/> for instructions. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/53761] ICE (only with C++) on incorrect transparent union (first field has floating point type) 2012-06-24 14:30 [Bug c++/53761] New: ICE (only with C++) on incorrect transparent union (first field has floating point type) br+gcc at waldteufel dot eu @ 2012-06-25 8:14 ` rguenth at gcc dot gnu.org 2012-10-10 0:09 ` paolo.carlini at oracle dot com ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: rguenth at gcc dot gnu.org @ 2012-06-25 8:14 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53761 Richard Guenther <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |accepts-invalid, | |ice-on-invalid-code Status|UNCONFIRMED |NEW Last reconfirmed| |2012-06-25 Ever Confirmed|0 |1 Known to fail| |3.4.6, 4.7.1 --- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-06-25 08:13:19 UTC --- Confirmed. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/53761] ICE (only with C++) on incorrect transparent union (first field has floating point type) 2012-06-24 14:30 [Bug c++/53761] New: ICE (only with C++) on incorrect transparent union (first field has floating point type) br+gcc at waldteufel dot eu 2012-06-25 8:14 ` [Bug c++/53761] " rguenth at gcc dot gnu.org @ 2012-10-10 0:09 ` paolo.carlini at oracle dot com 2012-10-25 16:15 ` [Bug c++/53761] ICE " paolo at gcc dot gnu.org 2012-10-25 16:17 ` paolo.carlini at oracle dot com 3 siblings, 0 replies; 5+ messages in thread From: paolo.carlini at oracle dot com @ 2012-10-10 0:09 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53761 Paolo Carlini <paolo.carlini at oracle dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |ASSIGNED AssignedTo|unassigned at gcc dot |paolo.carlini at oracle dot |gnu.org |com --- Comment #2 from Paolo Carlini <paolo.carlini at oracle dot com> 2012-10-10 00:09:23 UTC --- On it. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/53761] ICE on incorrect transparent union (first field has floating point type) 2012-06-24 14:30 [Bug c++/53761] New: ICE (only with C++) on incorrect transparent union (first field has floating point type) br+gcc at waldteufel dot eu 2012-06-25 8:14 ` [Bug c++/53761] " rguenth at gcc dot gnu.org 2012-10-10 0:09 ` paolo.carlini at oracle dot com @ 2012-10-25 16:15 ` paolo at gcc dot gnu.org 2012-10-25 16:17 ` paolo.carlini at oracle dot com 3 siblings, 0 replies; 5+ messages in thread From: paolo at gcc dot gnu.org @ 2012-10-25 16:15 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53761 --- Comment #3 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> 2012-10-25 16:15:19 UTC --- Author: paolo Date: Thu Oct 25 16:14:59 2012 New Revision: 192814 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192814 Log: /cp 2012-10-25 Paolo Carlini <paolo.carlini@oracle.com> PR c++/53761 * class.c (finish_struct_1): Reject aggregates decorated with __transparent_union__ which cannot be made transparent because the type of the first field has a different ABI from the class overall. /testsuite 2012-10-25 Paolo Carlini <paolo.carlini@oracle.com> PR c++/53761 * g++.dg/ext/transparent-union.C: New. Added: trunk/gcc/testsuite/g++.dg/ext/transparent-union.C Modified: trunk/gcc/cp/ChangeLog trunk/gcc/cp/class.c trunk/gcc/testsuite/ChangeLog ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/53761] ICE on incorrect transparent union (first field has floating point type) 2012-06-24 14:30 [Bug c++/53761] New: ICE (only with C++) on incorrect transparent union (first field has floating point type) br+gcc at waldteufel dot eu ` (2 preceding siblings ...) 2012-10-25 16:15 ` [Bug c++/53761] ICE " paolo at gcc dot gnu.org @ 2012-10-25 16:17 ` paolo.carlini at oracle dot com 3 siblings, 0 replies; 5+ messages in thread From: paolo.carlini at oracle dot com @ 2012-10-25 16:17 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53761 Paolo Carlini <paolo.carlini at oracle dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED Target Milestone|--- |4.8.0 --- Comment #4 from Paolo Carlini <paolo.carlini at oracle dot com> 2012-10-25 16:17:07 UTC --- Fixed for 4.8.0. ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2012-10-25 16:17 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2012-06-24 14:30 [Bug c++/53761] New: ICE (only with C++) on incorrect transparent union (first field has floating point type) br+gcc at waldteufel dot eu 2012-06-25 8:14 ` [Bug c++/53761] " rguenth at gcc dot gnu.org 2012-10-10 0:09 ` paolo.carlini at oracle dot com 2012-10-25 16:15 ` [Bug c++/53761] ICE " paolo at gcc dot gnu.org 2012-10-25 16:17 ` paolo.carlini at oracle dot com
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