[Bug target/66634] New: Cross building native *-w64-mingw32 failed

[Bug target/66634] New: Cross building native *-w64-mingw32 failed

[dongsheng.song at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66634

            Bug ID: 66634
           Summary: Cross building native *-w64-mingw32 failed
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: major
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dongsheng.song at gmail dot com
  Target Milestone: ---

The cross compiler building fine, but when use it to build the native compiler,
I got:

make[2]: Entering directory '/home/cauchy/obj/native/gcc-6-win64/gcc/gcc'
g++ -DIN_GCC     -DGENERATOR_FILE -fno-PIE  -no-pie -o build/genmddeps \
    build/genmddeps.o build/read-md.o build/errors.o
../build-x86_64-unknown-linux-gnu/libiberty/libiberty.a
g++: error: unrecognized command line option ‘-no-pie’
Makefile:2631: recipe for target 'build/genmddeps' failed

Checking the gcc-6-win64/gcc/gcc/config.log, I found:

configure:28726: checking for -fno-PIE option
configure:28737: x86_64-w64-mingw32-g++ -c -g  -fno-PIE  conftest.cpp >&5
configure:28737: $? = 0
configure:28745: result: yes
configure:28753: checking for -no-pie option
configure:28764: x86_64-w64-mingw32-g++ -o conftest.exe -g   -static-libstdc++
-static-libgcc -Wl,--stack,12582912 -no-pie conftest.cpp  >&5
configure:28764: $? = 0
configure:28773: result: yes

So the issue is gcc build script mixed up the target flags and the host flags.
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From: "amker at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/66449] [6 Regression] ICE: in build2_stat, at tree.c:4376 with -O3
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idf449

--- Comment #3 from amker at gcc dot gnu.org ---
Author: amker
Date: Tue Jun 23 02:27:49 2015
New Revision: 224769

URL: https://gcc.gnu.org/viewcvs?rev"4769&root=gcc&view=rev
Log:

        PR tree-optimization/66449
        * tree-ssa-loop-niter.c (loop_exits_before_overflow): Use
        POINTER_PLUS_EXPR for pointers.

        gcc/testsuite
        PR tree-optimization/66449
        * gcc.dg/vect/pr66449.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr66449.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-loop-niter.c

[Bug target/66634] Cross building native *-w64-mingw32 failed

[ntl21042 at kmhow dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66634

Berlos Cander <ntl21042 at kmhow dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ntl21042 at kmhow dot com

--- Comment #1 from Berlos Cander <ntl21042 at kmhow dot com> ---
any chance of fixing this please?