[LLVMbugs] [Bug 24152] New: [mips][ubsan] cast-overflow.cpp fails on 3.7 release

[bugzilla-daemon at llvm.org]

https://llvm.org/bugs/show_bug.cgi?id=24152

            Bug ID: 24152
           Summary: [mips][ubsan] cast-overflow.cpp fails on 3.7 release
           Product: new-bugs
           Version: 3.7
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: daniel.sanders at imgtec.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

The host is Debian Jessie (mips) on a MIPS64r2 CPU.

********************
Testing: 0 .. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
FAIL: UBSan-ASan-mips :: TestCases/Float/cast-overflow.cpp (23119 of 23237)
******************** TEST 'UBSan-ASan-mips ::
TestCases/Float/cast-overflow.cpp' FAILED ********************
Script:
--
/home/das/llvm/release_37/release/branches_release_37/Phase3/Release/llvmCore-test-branches_release_37.obj/./bin/clang
--driver-mode=g++ -fsanitize=address -mips32r2 --target=mips-linux-gnu
-fsanitize=float-cast-overflow -g
/home/das/llvm/release_37/release/branches_release_37/compiler-rt.src/test/ubsan/TestCases/Float/cast-overflow.cpp
-o
/home/das/llvm/release_37/release/branches_release_37/Phase3/Release/llvmCore-test-branches_release_37.obj/projects/compiler-rt/test/ubsan/AddressSanitizer-mips/TestCases/Float/Output/cast-overflow.cpp.tmp
/home/das/llvm/release_37/release/branches_release_37/Phase3/Release/llvmCore-test-branches_release_37.obj/projects/compiler-rt/test/ubsan/AddressSanitizer-mips/TestCases/Float/Output/cast-overflow.cpp.tmp
_
env UBSAN_OPTIONS=print_summary=1 
/home/das/llvm/release_37/release/branches_release_37/Phase3/Release/llvmCore-test-branches_release_37.obj/projects/compiler-rt/test/ubsan/AddressSanitizer-mips/TestCases/Float/Output/cast-overflow.cpp.tmp
0 2>&1 | FileCheck
/home/das/llvm/release_37/release/branches_release_37/compiler-rt.src/test/ubsan/TestCases/Float/cast-overflow.cpp
--check-prefix=CHECK-0
/home/das/llvm/release_37/release/branches_release_37/Phase3/Release/llvmCore-test-branches_release_37.obj/projects/compiler-rt/test/ubsan/AddressSanitizer-mips/TestCases/Float/Output/cast-overflow.cpp.tmp
1 2>&1 | FileCheck
/home/das/llvm/release_37/release/branches_release_37/compiler-rt.src/test/ubsan/TestCases/Float/cast-overflow.cpp
--check-prefix=CHECK-1
/home/das/llvm/release_37/release/branches_release_37/Phase3/Release/llvmCore-test-branches_release_37.obj/projects/compiler-rt/test/ubsan/AddressSanitizer-mips/TestCases/Float/Output/cast-overflow.cpp.tmp
2 2>&1 | FileCheck
/home/das/llvm/release_37/release/branches_release_37/compiler-rt.src/test/ubsan/TestCases/Float/cast-overflow.cpp
--check-prefix=CHECK-2
/home/das/llvm/release_37/release/branches_release_37/Phase3/Release/llvmCore-test-branches_release_37.obj/projects/compiler-rt/test/ubsan/AddressSanitizer-mips/TestCases/Float/Output/cast-overflow.cpp.tmp
3 2>&1 | FileCheck
/home/das/llvm/release_37/release/branches_release_37/compiler-rt.src/test/ubsan/TestCases/Float/cast-overflow.cpp
--check-prefix=CHECK-3
/home/das/llvm/release_37/release/branches_release_37/Phase3/Release/llvmCore-test-branches_release_37.obj/projects/compiler-rt/test/ubsan/AddressSanitizer-mips/TestCases/Float/Output/cast-overflow.cpp.tmp
4 2>&1 | FileCheck
/home/das/llvm/release_37/release/branches_release_37/compiler-rt.src/test/ubsan/TestCases/Float/cast-overflow.cpp
--check-prefix=CHECK-4
/home/das/llvm/release_37/release/branches_release_37/Phase3/Release/llvmCore-test-branches_release_37.obj/projects/compiler-rt/test/ubsan/AddressSanitizer-mips/TestCases/Float/Output/cast-overflow.cpp.tmp
5 2>&1 | FileCheck
/home/das/llvm/release_37/release/branches_release_37/compiler-rt.src/test/ubsan/TestCases/Float/cast-overflow.cpp
--check-prefix=CHECK-5
/home/das/llvm/release_37/release/branches_release_37/Phase3/Release/llvmCore-test-branches_release_37.obj/projects/compiler-rt/test/ubsan/AddressSanitizer-mips/TestCases/Float/Output/cast-overflow.cpp.tmp
6 2>&1 | FileCheck
/home/das/llvm/release_37/release/branches_release_37/compiler-rt.src/test/ubsan/TestCases/Float/cast-overflow.cpp
--check-prefix=CHECK-6
not 
/home/das/llvm/release_37/release/branches_release_37/Phase3/Release/llvmCore-test-branches_release_37.obj/projects/compiler-rt/test/ubsan/AddressSanitizer-mips/TestCases/Float/Output/cast-overflow.cpp.tmp
9 2>&1 | FileCheck
/home/das/llvm/release_37/release/branches_release_37/compiler-rt.src/test/ubsan/TestCases/Float/cast-overflow.cpp
--check-prefix=CHECK-9
--
Exit Code: 1

Command Output (stderr):
--
/home/das/llvm/release_37/release/branches_release_37/compiler-rt.src/test/ubsan/TestCases/Float/cast-overflow.cpp:45:3:
warning: expression result unused [-Wunused-value]
  (int)MaxFloatRepresentableAsInt; // ok
  ^    ~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/das/llvm/release_37/release/branches_release_37/compiler-rt.src/test/ubsan/TestCases/Float/cast-overflow.cpp:46:3:
warning: expression result unused [-Wunused-value]
  (int)-MaxFloatRepresentableAsInt; // ok
  ^    ~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/das/llvm/release_37/release/branches_release_37/compiler-rt.src/test/ubsan/TestCases/Float/cast-overflow.cpp:49:3:
warning: expression result unused [-Wunused-value]
  (int)MinFloatRepresentableAsInt; // ok
  ^    ~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/das/llvm/release_37/release/branches_release_37/compiler-rt.src/test/ubsan/TestCases/Float/cast-overflow.cpp:52:3:
warning: expression result unused [-Wunused-value]
  (unsigned int)MaxFloatRepresentableAsUInt; // ok
  ^             ~~~~~~~~~~~~~~~~~~~~~~~~~~~
4 warnings generated.
/home/das/llvm/release_37/release/branches_release_37/compiler-rt.src/test/ubsan/TestCases/Float/cast-overflow.cpp:89:14:
error: expected string not found in input
 // CHECK-0: runtime error: value 2.14748{{.*}} is outside the range of
representable values of type 'int'
             ^
<stdin>:1:1: note: scanning from here
/home/das/llvm/release_37/release/branches_release_37/compiler-rt.src/test/ubsan/TestCases/Float/cast-overflow.cpp:90:27:
runtime error: value 4.2039e-45 is outside the range of representable values of
type 'int'
^
<stdin>:1:123: note: possible intended match here
/home/das/llvm/release_37/release/branches_release_37/compiler-rt.src/test/ubsan/TestCases/Float/cast-overflow.cpp:90:27:
runtime error: value 4.2039e-45 is outside the range of representable values of
type 'int'
                                                                               
                                          ^

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