[llvm-bugs] [Bug 28950] New: ARM selfhost buildbot failures

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=28950

            Bug ID: 28950
           Summary: ARM selfhost buildbot failures
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: ARM
          Assignee: unassignedbugs at nondot.org
          Reporter: diana.picus at linaro.org
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

Lots of tests are failing on 2 of the selfhost buildbots - see e.g.
clang-cmake-armv7-a15-selfhost. I'm unable to bisect this at the moment - I
think the range should be r278262 - r278298.

Seems to be a 32-bit / 64-bit mismatch in all sorts of cases:

--
/home/linaro/buildbot/clang-cmake-armv7-a15-selfhost/llvm/tools/clang/test/CodeGen/blocks-windows.c:71:33:
error: expected string not found in input
// CHECK-BLOCKS-IN-BLOCKS-DEFN: @_NSConcreteStackBlock = common dllexport
global [5 x i32]
                                ^
<stdin>:1:1: note: scanning from here
; ModuleID =
'/home/linaro/buildbot/clang-cmake-armv7-a15-selfhost/llvm/tools/clang/test/CodeGen/blocks-windows.c'
^
<stdin>:12:1: note: possible intended match here
@_NSConcreteStackBlock = common dllexport global [5 x i64] zeroinitializer,
align 16
^

or 

--
clang:
/home/linaro/buildbot/clang-cmake-armv7-a15-selfhost/llvm/include/llvm/IR/Instructions.h:1079:
void llvm::ICmpInst::AssertOK(): Assertion `getOperand(0)->getType() ==
getOperand(1)->getType() && "Both operands to ICmp instruction are not of the
same type!"' failed.
Stack dump:
0.    Program arguments:
/home/linaro/buildbot/clang-cmake-armv7-a15-selfhost/stage2/./bin/clang -cc1
-internal-isystem
/home/linaro/buildbot/clang-cmake-armv7-a15-selfhost/stage2/bin/../lib/clang/4.0.0/include
-nostdsysteminc
/home/linaro/buildbot/clang-cmake-armv7-a15-selfhost/llvm/tools/clang/test/CodeGen/exceptions-seh.c
-triple x86_64-pc-win32 -fms-extensions -emit-llvm -o - 
1.   
/home/linaro/buildbot/clang-cmake-armv7-a15-selfhost/llvm/tools/clang/test/CodeGen/exceptions-seh.c:169:1:
current parser token 'int'
2.   
/home/linaro/buildbot/clang-cmake-armv7-a15-selfhost/llvm/tools/clang/test/CodeGen/exceptions-seh.c:103:5:
LLVM IR generation of declaration 'nested_try'
3.   
/home/linaro/buildbot/clang-cmake-armv7-a15-selfhost/llvm/tools/clang/test/CodeGen/exceptions-seh.c:103:5:
Generating code for declaration 'nested_try'
FileCheck error: '-' is empty.
FileCheck command line: 
/home/linaro/buildbot/clang-cmake-armv7-a15-selfhost/stage2/./bin/FileCheck
/home/linaro/buildbot/clang-cmake-armv7-a15-selfhost/llvm/tools/clang/test/CodeGen/exceptions-seh.c
--check-prefix=CHECK --check-prefix=X64

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