[LLVMbugs] [Bug 22663] New: Specifying an "extern module" with a non-existent path doesn't lead to an error

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=22663

            Bug ID: 22663
           Summary: Specifying an "extern module" with a non-existent path
                    doesn't lead to an error
           Product: clang
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Modules
          Assignee: unassignedclangbugs at nondot.org
          Reporter: klimek at google.com
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

$ cat /tmp/a.cppmap
module "a" {
  use "b"
}

extern module "b" "/this/does/not/exist"

$ ./bin/clang -c -x c++ -fmodules -fmodule-name=a -Xclang -emit-module
/tmp/a.cppmap
$ echo $?
0

ModuleMap.cpp:1587 just loads the module map if the file exists, and otherwise
happily goes on.

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