[Bug c++/70816] bogus error __builtin_strcmp is not a constant expression in a constexpr function

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70816 Martin Sebor changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug c++/71451] New: ICE on invalid C++11 code on x86_64-linux-gnu: in dependent_type_p, at cp/pt.c:22599

/configure --enable-languages=c,c++,lto --prefix=/usr/local/gcc-trunk --disable-bootstrap Thread model: posix gcc version 7.0.0 20160607 (experimental) [trunk revision 237165] (GCC) $ $ g++-trunk -std=c++11 small.cpp small.cpp:6:39: error: parameter packs not expanded with ‘...’: template < typen

[Bug c++/71450] New: ICE on invalid C++11 code on x86_64-linux-gnu: in tree check: expected record_type or union_type or qual_union_type, have template_type_parm in lookup_base, at cp/search.c:203

-linux-gnu/7.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../gcc-source-trunk/configure --enable-languages=c,c++,lto --prefix=/usr/local/gcc-trunk --disable-bootstrap Thread model: posix gcc version 7.0.0 20160607 (experimental) [trunk revision 237165] (GCC) $ $ g++-6.1 small.cpp

[Bug c/71199] Support overloadable attribute in GNU C front-end

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71199 Yu Xuanchi changed: What|Removed |Added CC||yuxuanchiadm at 126 dot com --- Comment #4

[Bug c++/57433] Local classes have an associated namespace

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57433 Richard Smith changed: What|Removed |Added CC||richard-gccbugzilla@metafoo

[Bug c++/71448] pointer relational comparison fails inside constant expression

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71448 Martin Sebor changed: What|Removed |Added Keywords||rejects-valid

[Bug bootstrap/71435] [7 regression] sparc bootstrap failure since r235625

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71435 --- Comment #3 from Eric Botcazou --- I can (partially) reproduce on Solaris: Comparing stages 2 and 3 Bootstrap comparison failure! gcc/double-int.o differs make[2]: *** [compare] Error 1

[Bug bootstrap/71435] [7 regression] sparc bootstrap failure since r235625

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71435 Eric Botcazou changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c++/71449] builtins accepted in default template arguments but rejected when explicitly specified

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71449 --- Comment #2 from Andrew Pinski --- Most likely __builtin_parity (0) got folded to 0 for the first case.

[Bug c++/71449] builtins accepted in default template arguments but rejected when explicitly specified

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71449 Martin Sebor changed: What|Removed |Added Known to work||4.5.3 Known to fail|

[Bug c++/71449] New: builtins accepted in default template arguments but rejected when explicitly specified

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71449 Bug ID: 71449 Summary: builtins accepted in default template arguments but rejected when explicitly specified Product: gcc Version: 7.0 Status: UNCONFIRMED

[Bug c++/71448] pointer relational comparison fails inside constant expression

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71448 --- Comment #1 from Adam Simpkins --- Created attachment 38657 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38657=edit gcc 5.3 configuration options used during repro

[Bug c++/71448] New: pointer relational comparison fails inside constant expression

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71448 Bug ID: 71448 Summary: pointer relational comparison fails inside constant expression Product: gcc Version: 5.3.1 Status: UNCONFIRMED Severity: normal

[Bug c/71255] Implement #pragma may_alias

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71255 --- Comment #25 from Florian Weimer --- (In reply to Manuel López-Ibáñez from comment #23) > (In reply to Florian Weimer from comment #22) > > (In reply to Marek Polacek from comment #21) > > > The testcase in Comment 14 should now compile fine.

[Bug c/71255] Implement #pragma may_alias

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71255 --- Comment #24 from Manuel López-Ibáñez --- (In reply to Manuel López-Ibáñez from comment #23) > (In reply to Florian Weimer from comment #22) > > (In reply to Marek Polacek from comment #21) > > > The testcase in Comment 14 should now compile

[Bug c/71255] Implement #pragma may_alias

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71255 Manuel López-Ibáñez changed: What|Removed |Added CC||manu at gcc dot gnu.org ---

[Bug c++/60512] would be useful if gcc implemented __has_feature similary to clang

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60512 Manuel López-Ibáñez changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c++/61564] #pragma GCC optimize ("-fno-lto") causes the compiler to crash

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61564 Manuel López-Ibáñez changed: What|Removed |Added CC||manu at gcc dot gnu.org ---

[Bug c/71255] Implement #pragma may_alias

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71255 --- Comment #22 from Florian Weimer --- (In reply to Marek Polacek from comment #21) > The testcase in Comment 14 should now compile fine. What's the best way to detect that a compiler has this fix? We cannot use a configure check. Is there

[Bug sanitizer/71445] libsanitizer build failure on aarch64-linux-gnu with recent glibc

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71445 Adhemerval Zanella changed: What|Removed |Added CC||adhemerval.zanella at linaro dot o

[Bug sanitizer/71445] libsanitizer build failure on aarch64-linux-gnu with recent glibc

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71445 Maxim Ostapenko changed: What|Removed |Added CC||m.ostapenko at samsung dot com ---

[Bug target/71389] [7 Regression] ICE on trunk gcc on ivybridge target (df_refs_verify)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71389 Uroš Bizjak changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug target/71389] [7 Regression] ICE on trunk gcc on ivybridge target (df_refs_verify)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71389 --- Comment #11 from uros at gcc dot gnu.org --- Author: uros Date: Tue Jun 7 16:01:50 2016 New Revision: 237179 URL: https://gcc.gnu.org/viewcvs?rev=237179=gcc=rev Log: PR target/71389 * config/i386/i386.c

[Bug target/71389] [7 Regression] ICE on trunk gcc on ivybridge target (df_refs_verify)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71389 Kenneth Zadeck changed: What|Removed |Added CC||zadeck at naturalbridge dot com ---

[Bug target/71389] [7 Regression] ICE on trunk gcc on ivybridge target (df_refs_verify)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71389 --- Comment #9 from uros at gcc dot gnu.org --- Author: uros Date: Tue Jun 7 15:23:42 2016 New Revision: 237178 URL: https://gcc.gnu.org/viewcvs?rev=237178=gcc=rev Log: PR target/71389 * config/i386/i386.c

[Bug middle-end/69526] ivopts candidate strangeness

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69526 --- Comment #17 from rdapp at linux dot vnet.ibm.com --- (In reply to Marc Glisse from comment #16) > (In reply to rdapp from comment #15) > > Is there a simple method to access @inner when > > capturing > > (outer_op (convert (inner_op

[Bug c/71447] problem with pointer arythmetic?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71447 Marek Polacek changed: What|Removed |Added Status|WAITING |RESOLVED Resolution|---

[Bug c/71255] Implement #pragma may_alias

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71255 --- Comment #21 from Marek Polacek --- The testcase in Comment 14 should now compile fine.

[Bug target/71389] [7 Regression] ICE on trunk gcc on ivybridge target (df_refs_verify)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71389 --- Comment #8 from uros at gcc dot gnu.org --- Author: uros Date: Tue Jun 7 15:16:44 2016 New Revision: 237177 URL: https://gcc.gnu.org/viewcvs?rev=237177=gcc=rev Log: PR target/71389 * config/i386/i386.c

[Bug c/71447] problem with pointer arythmetic?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71447 --- Comment #2 from Johannes Janssens --- I must apolagize, the bug is mine!!! I just discovered why. So sorry. Johannes Op 7/06/2016 om 17:12 schreef mpolacek at gcc dot gnu.org: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71447 > >

[Bug c/71447] problem with pointer arythmetic?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71447 Marek Polacek changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|

[Bug c/71447] New: problem with pointer arythmetic?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71447 Bug ID: 71447 Summary: problem with pointer arythmetic? Product: gcc Version: 4.9.2 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c

[Bug middle-end/69526] ivopts candidate strangeness

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69526 --- Comment #16 from Marc Glisse --- (In reply to rdapp from comment #15) > Is there a simple method to access @inner when > capturing > (outer_op (convert (inner_op SSA_NAME@0 INTEGER_CST@1)) INTEGER_CST@2)) >

[Bug c++/71446] New: Incorrect overload resolution when using designated initializers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71446 Bug ID: 71446 Summary: Incorrect overload resolution when using designated initializers Product: gcc Version: 5.3.0 Status: UNCONFIRMED Severity: normal

[Bug sanitizer/71445] New: libsanitizer build failure on aarch64-linux-gnu with recent glibc

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71445 Bug ID: 71445 Summary: libsanitizer build failure on aarch64-linux-gnu with recent glibc Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal

[Bug middle-end/69526] ivopts candidate strangeness

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69526 --- Comment #15 from rdapp at linux dot vnet.ibm.com --- Thanks for the suggestions. The omission of the inner op was actually more or less on purpose as I intended to capture the (convert @inner) in order to access @inner's value range as a

[Bug tree-optimization/71414] 2x slower than clang summing small float array, GCC should consider larger vectorization factor for "unrolling" reductions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71414 --- Comment #7 from Yichao Yu --- If I add `-fvariable-expansion-in-unroller` (omg this options is like half the command line ;-p ...), the performance matches the clang one after the clang 3.8 regression. ``` % gcc -funroll-loops

[Bug tree-optimization/70729] Loop marked with omp simd pragma is not vectorized

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70729 --- Comment #21 from Yuri Rumyantsev --- Richard! Are you planning to prepare the second part of the patch (zeroing safelen and testing it in loop invariant motion phase as you proposed)? Thanks.

[Bug tree-optimization/71414] 2x slower than clang summing small float array, GCC should consider larger vectorization factor for "unrolling" reductions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71414 Joost VandeVondele changed: What|Removed |Added CC||Joost.VandeVondele at mat dot ethz

[Bug c++/63707] Brace initialization of array sometimes fails if no copy constructor

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63707 John Lindgren changed: What|Removed |Added Known to fail||6.1.1 --- Comment #8 from John Lindgren

[Bug c++/61564] #pragma GCC optimize ("-fno-lto") causes the compiler to crash

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61564 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Known to work|

[Bug libstdc++/71444] New: Error code on MinGW-w64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71444 Bug ID: 71444 Summary: Error code on MinGW-w64 Product: gcc Version: 5.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libstdc++

[Bug middle-end/71443] New: [7 regression] test case gcc.dg/plugin/must-tail-call-2.c reports error

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71443 Bug ID: 71443 Summary: [7 regression] test case gcc.dg/plugin/must-tail-call-2.c reports error Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal

[Bug c++/61564] #pragma GCC optimize ("-fno-lto") causes the compiler to crash

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61564 --- Comment #4 from Richard Biener --- Author: rguenth Date: Tue Jun 7 12:41:46 2016 New Revision: 237174 URL: https://gcc.gnu.org/viewcvs?rev=237174=gcc=rev Log: 2016-06-07 Richard Biener PR c/61564 *

[Bug c++/71442] [5/6/7 Regression] r232569 breaks -Wunused-*

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71442 --- Comment #1 from Jakub Jelinek --- Created attachment 38655 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38655=edit gcc7-pr71442.patch Untested fix.

[Bug c++/71442] [5/6/7 Regression] r232569 breaks -Wunused-*

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71442 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug c++/71442] New: [5/6/7 Regression] r232569 breaks -Wunused-*

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71442 Bug ID: 71442 Summary: [5/6/7 Regression] r232569 breaks -Wunused-* Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug debug/71441] [7 regression] gcc.dg/pr44023.c FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71441 Rainer Orth changed: What|Removed |Added Target Milestone|--- |7.0

[Bug debug/71441] New: [7 regression] gcc.dg/pr44023.c FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71441 Bug ID: 71441 Summary: [7 regression] gcc.dg/pr44023.c FAILs Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: debug

[Bug debug/71432] [7 Regression] -fcompare-debug failure (length)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71432 --- Comment #5 from Tobias Burnus --- (In reply to Bernd Schmidt from comment #4) > Most likely a dup of bug 71413. Likely as the suggested patch is effectively the same. This one comes with test case, consider to include it in the final patch.

[Bug tree-optimization/71437] [7 regression] Performance regression after r235817

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71437 --- Comment #3 from Richard Biener --- The issue with the optimization opportunity is that IPA reference does not compute that GetIN does not modify pL because its analysis is restricted to variables local to the compilation unit. Using

[Bug target/66960] Add interrupt attribute to x86 backend

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66960 --- Comment #10 from Dominique d'Humieres --- > Created attachment 38653 [details] > A patch > > Please try this. The patch fixes the issue, thanks.

[Bug debug/71432] [7 Regression] -fcompare-debug failure (length)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71432 --- Comment #4 from Bernd Schmidt --- Most likely a dup of 71413.

[Bug bootstrap/71435] [7 regression] sparc bootstrap failure since r235625

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71435 --- Comment #2 from Bernd Schmidt --- Oops, sorry, wrong bug.

[Bug bootstrap/71435] [7 regression] sparc bootstrap failure since r235625

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71435 --- Comment #1 from Bernd Schmidt --- Most likely a dup of 71413.

[Bug tree-optimization/71414] 2x slower than clang summing small float array, GCC should consider larger vectorization factor for "unrolling" reductions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71414 Richard Biener changed: What|Removed |Added Target||x86_64-*-*

[Bug debug/71432] [7 Regression] -fcompare-debug failure (length)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71432 --- Comment #3 from Tobias Burnus --- The code in handle_builtin_memcmp looks as follows: FOR_EACH_IMM_USE_FAST (use_p, iter, res) { gimple *ustmt = USE_STMT (use_p); if (gimple_code (ustmt) == GIMPLE_ASSIGN) ...

[Bug debug/71432] [7 Regression] -fcompare-debug failure (length)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71432 --- Comment #2 from Tobias Burnus --- The difference between the two insns-dumps is the "_eq": 0: extern int __builtin_memcmp_eq (const void *, const void *, long unsigned int); vs. 0: extern int __builtin_memcmp (const void *, const void

[Bug target/71419] interrupt attribute silently dropped for Thumb code on armv7-a

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71419 --- Comment #2 from Hans Buchmann --- The code is produced in arm mode: .file "irq.cc" .text .align 2 .global _Z5_irq_v .syntax unified .arm <--- here .fpu softvfp

[Bug tree-optimization/71433] [7 Regression] -Warray-bounds false positive with -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71433 Richard Biener changed: What|Removed |Added Keywords||diagnostic Target Milestone|---

[Bug bootstrap/71435] [7 regression] sparc bootstrap failure since r235625

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71435 Richard Biener changed: What|Removed |Added Target||sparc-linux CC|

[Bug c++/61564] #pragma GCC optimize ("-fno-lto") causes the compiler to crash

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61564 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug tree-optimization/71437] [7 regression] Performance regression after r235817

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71437 Richard Biener changed: What|Removed |Added Target||i?86-*-*

[Bug tree-optimization/71438] [7 Regression] wrong code at -O3 on x86_64-linux-gnu (by tree vectorizer)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71438 Richard Biener changed: What|Removed |Added Keywords||wrong-code CC|

[Bug tree-optimization/71428] [7 Regression] wrong code with -Os -fno-tree-forwprop (breaks in the .bswap dump)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71428 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug tree-optimization/71423] [5/6 Regression] wrong code at -Os and above on x86_64-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71423 Richard Biener changed: What|Removed |Added Summary|[5/6/7 Regression] wrong|[5/6 Regression] wrong code

[Bug tree-optimization/71428] [7 Regression] wrong code with -Os -fno-tree-forwprop (breaks in the .bswap dump)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71428 --- Comment #5 from Richard Biener --- Author: rguenth Date: Tue Jun 7 07:31:40 2016 New Revision: 237167 URL: https://gcc.gnu.org/viewcvs?rev=237167=gcc=rev Log: 2016-06-07 Richard Biener PR

[Bug tree-optimization/71423] [5/6/7 Regression] wrong code at -Os and above on x86_64-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71423 --- Comment #4 from Richard Biener --- Author: rguenth Date: Tue Jun 7 07:30:47 2016 New Revision: 237166 URL: https://gcc.gnu.org/viewcvs?rev=237166=gcc=rev Log: 2016-06-07 Richard Biener PR middle-end/71423

[Bug c++/71440] ICE on invalid C++ code on x86_64-linux-gnu: in instantiate_type, at cp/class.c:8247

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71440 Marek Polacek changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug tree-optimization/71438] wrong code at -O3 on x86_64-linux-gnu (by tree vectorizer)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71438 Marek Polacek changed: What|Removed |Added CC||mpolacek at gcc dot gnu.org --- Comment

[Bug tree-optimization/71439] [7 Regression] wrong code at -O3 in 32-bit and 64-bit mode on x86_64-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71439 Marek Polacek changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c++/71440] New: ICE on invalid C++ code on x86_64-linux-gnu: in instantiate_type, at cp/class.c:8247

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71440 Bug ID: 71440 Summary: ICE on invalid C++ code on x86_64-linux-gnu: in instantiate_type, at cp/class.c:8247 Product: gcc Version: 7.0 Status: UNCONFIRMED