[PATCH] Fix UB in hash-map.h

2017-11-26 Thread Markus Trippelsdorf
bootstrap-ubsan shows: gcc/hash-map.h:277:19: runtime error: member access within null pointer of type 'struct hash_map' Fix the issue by returning early. bootstrap-ubsan on X86_64 and ppc64le. Tested on ppc64le. OK for trunk? gcc/ * hash-map.h (gt_cleare_cache): Avoid UB. diff --git

[PATCH] Fix PR82488 - signed integer overflow in expr.c

2017-11-26 Thread Markus Trippelsdorf
bootstrap-ubsan shows: gcc/expr.c:4103:17: runtime error: signed integer overflow: 0 - -9223372036854775808 cannot be represented in type 'long int' Fix by handling the saw_unknown case earlier. bootstrap-ubsan on X86_64 and ppc64le. Tested on ppc64le. OK for trunk? PR rtl-optimizatio

[wwwdocs] bugs/management.html: add a link, streamline a bit

2017-11-26 Thread Gerald Pfeifer
Looking for something Jonathan pointed out, I noticed (again) that our language is a bit verbose around our bug reporting / management instructions. Applied Gerald Add a link to our bug reporting instructions. Trim some language. Index: management.html =

Re: [PATCH][GCC][ARM] Dot Product NEON intrinsics [Patch (3/8)]

2017-11-26 Thread Christophe Lyon
On 24 November 2017 at 20:38, Christophe Lyon wrote: > On 24 November 2017 at 19:05, Tamar Christina wrote: >> Hi Christophe, >> >>> >>> After your commit, I have these reports: >>> http://people.linaro.org/~christophe.lyon/cross- >>> validation/gcc/trunk/255064/report-build-info.html >>> >>> Aft

Re: [PING] Plugin support on Windows/MinGW

2017-11-26 Thread JonY
On 11/23/2017 11:34 AM, JonY wrote: > On 11/22/2017 11:14 AM, Boris Kolpackov wrote: >> JonY <10wa...@gmail.com> writes: >> >>> Is there a problem with using .so for internal libraries instead of >>> "dll"... >> >> I think not but I haven't tested it. The problem with using .so instead >> of .dll i

(patch, fortran] PR83021 - [7/8 Regression] gfortran segfault in polymorphic assignment

2017-11-26 Thread Paul Richard Thomas
Dear All, This regression was caused by the patch for PR81447. The chunk that has been modified came about because use association of derived types in block data, in the presence of a vtable, was trying to add vtable procedures, which is not allowed. The original patch did not explicitly target bl

Re: [PATCH][GCC][ARM] Dot Product NEON intrinsics [Patch (3/8)]

2017-11-26 Thread Christophe Lyon
On 26 November 2017 at 13:56, Christophe Lyon wrote: > On 24 November 2017 at 20:38, Christophe Lyon > wrote: >> On 24 November 2017 at 19:05, Tamar Christina >> wrote: >>> Hi Christophe, >>> After your commit, I have these reports: http://people.linaro.org/~christophe.lyon/cross

[i386] PR83109 [CET] improper code generation for builtin_longjmp with -fcf-protection -mcet

2017-11-26 Thread Tsimbalist, Igor V
According to the description of inssp instruction from Intel CET it adusts the shadow stack pointer (ssp) only by value in the range of [0..255]. As a number of adjustment could be greater than 255 there should be a loop generated to adjust ssp. gcc/ * config/i386/i386.md: Add

Re: [PATCH] Fix hot/cold partitioning with -gstabs{,+} (PR debug/81307)

2017-11-26 Thread Jeff Law
On 11/24/2017 02:53 PM, Jakub Jelinek wrote: > Hi! > > On most targets, N_SLINE has addresses relative to the start of > the function, which means -gstabs{,+} is completely broken with > hot/cold partitioning (fails to assemble almost anything that > has both partitions). This used to be bearable

Re: [PATCH, Makefile.in] refine selftest recipes to restore mingw bootstrap

2017-11-26 Thread Jeff Law
On 11/24/2017 11:18 AM, Olivier Hainque wrote: > Hello, > > Bootstrap for mingw target configurations is failing today, with complaints > about an inexistant /dev/null. > > The failing commands are issued by the selftest recipes in gcc/Makefile, > using: > > SELFTEST_FLAGS = -nostdinc /dev/

Re: [PATCH] Fix PR82488 - signed integer overflow in expr.c

2017-11-26 Thread Jeff Law
On 11/26/2017 02:12 AM, Markus Trippelsdorf wrote: > bootstrap-ubsan shows: > gcc/expr.c:4103:17: runtime error: signed integer overflow: 0 - > -9223372036854775808 cannot be represented in type 'long int' > > Fix by handling the saw_unknown case earlier. > > bootstrap-ubsan on X86_64 and ppc64