Compiled nofib-analyse executable segfaults under windows

Happens in 8.2.2 and HEAD

$ ./nofib-analyse.exe ../log2_range ../log2_range  +RTS --generate-crash-dumps

Access violation in generated code when reading 0xffffffffffffffff

 Attempting to reconstruct a stack trace...

   Frame        Code address
 * 0x12ad980    0x454f0b C:\ghc\msys64\home\Andi\ghc_head\nofib\nofib-analyse\nofib-analyse.exe+0x54f0b
 * 0x12ada10    0x455515 C:\ghc\msys64\home\Andi\ghc_head\nofib\nofib-analyse\nofib-analyse.exe+0x55515
 * 0x12adb80    0x4576f6 C:\ghc\msys64\home\Andi\ghc_head\nofib\nofib-analyse\nofib-analyse.exe+0x576f6
 * 0x12adb88    0x44bfcd C:\ghc\msys64\home\Andi\ghc_head\nofib\nofib-analyse\nofib-analyse.exe+0x4bfcd
 * 0x12adb90    0x5512580
 * 0x12adb98    0x9d6e10 C:\ghc\msys64\home\Andi\ghc_head\nofib\nofib-analyse\nofib-analyse.exe+0x5d6e10
 * 0x12adba0    0x2
 * 0x12adba8    0x53b4f30

Crash dump created. Dump written to:
        C:\ghc\msys64\tmp\ghc-20180109-171729-25632-48420.dmp

Trac metadata

Trac field	Value
Version	8.2.2
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	Compiler
Test case
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Architecture