[LLVMbugs] [Bug 18815] New: Assertion failed: isValidGCCRegisterName(Name) && "Invalid register passed in"

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=18815

            Bug ID: 18815
           Summary: Assertion failed: isValidGCCRegisterName(Name) &&
                    "Invalid register passed in"
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: Frontend
          Assignee: unassignedclangbugs at nondot.org
          Reporter: timurrrr at google.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

$ cat yyy.c
long int float2int(float f) {
  int x;
  _asm {
    fld f
    fistp x
  }
  return x;
}

$ clang -cc1 -triple i386-pc-win32 -emit-obj -fms-compatibility -x c yyy.c
Assertion failed: isValidGCCRegisterName(Name) && "Invalid register passed in",
file ..\tools\clang\lib\Basic\TargetInfo.cpp, line 354

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