[llvm-bugs] [Bug 25717] New: 'IO failure on output stream' with -E on Windows

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=25717

            Bug ID: 25717
           Summary: 'IO failure on output stream' with -E on Windows
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: Frontend
          Assignee: unassignedclangbugs at nondot.org
          Reporter: paul_robinson at playstation.sony.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

Created attachment 15382
  --> https://llvm.org/bugs/attachment.cgi?id=15382&action=edit
repro.c

> clang.exe --version
clang version 3.8.0 (trunk 253680)
Target: x86_64-pc-windows-msvc
Thread model: posix
InstalledDir: E:\upstream\build\RelWithDebInfo\bin

> clang.exe -E repro.c
14994;
int v14995;
int v14996;
int v14997;
int v14998;
int v14999;
fatal error: error in backend: IO failure on output stream.


repro.c is 15k lines of 'int' declarations.
Fails with trunk and 3.7 RC2.  Only on Windows; Linux is happy.

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