[llvm-bugs] [Bug 29122] New: constexpr auto causes Assertion failed: (!V->hasBrokenDebugInfo() && "Module contains invalid debug info"), function doFinalization, file /Users/thakis/src/llvm-rw/lib/IR/Verifier.cpp, line 4435.

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=29122

            Bug ID: 29122
           Summary: constexpr auto causes Assertion failed:
                    (!V->hasBrokenDebugInfo() && "Module contains invalid
                    debug info"), function doFinalization, file
                    /Users/thakis/src/llvm-rw/lib/IR/Verifier.cpp, line
                    4435.
           Product: clang
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: nicolasweber at gmx.de
                CC: dgregor at apple.com, llvm-bugs at lists.llvm.org
    Classification: Unclassified

$ cat test.cc
template <int I>
constexpr int some_int() {
  return I;
}

constexpr auto five = some_int<5>;

int f() {
  return five();
}

$ ~/src/llvm-build/bin/clang -g -std=c++14 -c test.cc
invalid global varaible ref
!4 = distinct !DIGlobalVariable(name: "five", scope: !0, file: !1, line: 6,
type: !5, isLocal: true, isDefinition: true, variable: i32 ()*
@_Z8some_intILi5EEiv)
i32 ()* @_Z8some_intILi5EEiv
Assertion failed: (!V->hasBrokenDebugInfo() && "Module contains invalid debug
info"), function doFinalization, file
/Users/thakis/src/llvm-rw/lib/IR/Verifier.cpp, line 4435.
Stack dump:
0.    Program arguments: /Users/thakis/src/llvm-build/bin/clang-3.5 -cc1
-triple x86_64-apple-macosx10.10.0 -Wdeprecated-objc-isa-usage
-Werror=deprecated-objc-isa-usage -emit-obj -mrelax-all -disable-free
-main-file-name test.cc -mrelocation-model pic -pic-level 2 -mthread-model
posix -mdisable-fp-elim -masm-verbose -munwind-tables -target-cpu core2
-target-linker-version 253.3 -dwarf-column-info -debug-info-kind=standalone
-dwarf-version=2 -debugger-tuning=lldb -coverage-file
/Users/thakis/src/chrome/src/test.cc -resource-dir
/Users/thakis/src/llvm-build/bin/../lib/clang/4.0.0 -stdlib=libc++ -std=c++14
-fdeprecated-macro -fdebug-compilation-dir /Users/thakis/src/chrome/src
-ferror-limit 19 -fmessage-length 248 -stack-protector 1 -fblocks
-fobjc-runtime=macosx-10.10.0 -fencode-extended-block-signature
-fcxx-exceptions -fexceptions -fmax-type-align=16 -fdiagnostics-show-option
-fcolor-diagnostics -o test.o -x c++ test.cc 
1.    <eof> parser at end of file
2.    Per-function optimization
clang-3.5: error: unable to execute command: Abort trap: 6
clang-3.5: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 4.0.0 (trunk 279499)
Target: x86_64-apple-darwin14.5.0
Thread model: posix
InstalledDir: /Users/thakis/src/llvm-build/bin
clang-3.5: note: diagnostic msg: PLEASE submit a bug report to
http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, and
associated run script.
clang-3.5: note: diagnostic msg: 
********************

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-3.5: note: diagnostic msg:
/var/folders/c5/8d7sdn1x2mg92mj0rndghhdr0000gn/T/test-c942d1.cpp
clang-3.5: note: diagnostic msg:
/var/folders/c5/8d7sdn1x2mg92mj0rndghhdr0000gn/T/test-c942d1.sh
clang-3.5: note: diagnostic msg: 

********************


(also typo "varaible")

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