Improve TensorFlow runtime errors

[ematejska]

Imported from JIRA https://bugs.swift.org/browse/TF-458

Type:	Sub-task	Priority:	Minor
Reporter:	Dan Zheng	Assignee:	Unassigned
Resolution:	Unresolved	Votes:	0
Labels:	None

TensorFlow runtime errors don't have meaning source location info.

Reproducers:

import TensorFlow
let x = Tensor<Float>(ones: [2, 3])
_ = matmul(x, x)
// Fatal error: Matrix size-incompatible: In[0]: [2,3], In[1]: [2,3]: file /usr/local/src/swift-build/swift/stdlib/public/TensorFlow/CompilerRuntime.swift, line 2108
// [1]    65743 illegal hardware instruction  ./tf-458
import TensorFlow
let x = Tensor(1)
_ = Raw.print(x, data: [x], message: "Hello!")
// Fatal error: NodeDef missing attr 'U' from Op<name=Print; signature=input:T, data: -> output:T; attr=T:type; attr=U:list(type),min=0; attr=message:string,default=""; attr=first_n:int,default=-1; attr=summarize:int,default=3; is_stateful=true>; NodeDef: {{node Print}}: file /usr/local/src/swift-build/swift/stdlib/public/TensorFlow/CompilerRuntime.swift, line 2108
[1]    65900 illegal hardware instruction  ./tf-458-2

When interpreting with swift (instead of compilation using swiftc), stack dumps are long:

Fatal error: Matrix size-incompatible: In[0]: [2,3], In[1]: [2,3]: file /usr/local/src/swift-build/swift/stdlib/public/TensorFlow/CompilerRuntime.swift, line 2108
Stack dump:
0.	Program arguments: /Library/Developer/Toolchains/swift-tensorflow-RELEASE-0.3-a.xctoolchain/usr/bin/swift -frontend -interpret tf-458.swift -enable-objc-interop -sdk /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk -color-diagnostics -module-name main
0  swift                    0x000000010d94b025 llvm::sys::PrintStackTrace(llvm::raw_ostream&) + 37
1  swift                    0x000000010d94a2c5 llvm::sys::RunSignalHandlers() + 85
2  swift                    0x000000010d94b612 SignalHandler(int) + 258
3  libsystem_platform.dylib 0x00007fff590fef5a _sigtramp + 26
4  libsystem_platform.dylib 0x00007f8faca470f6 _sigtramp + 1402241462
5  libswiftCore.dylib       0x0000000114c47849 $ss17_assertionFailure__4file4line5flagss5NeverOs12StaticStringV_SSAHSus6UInt32VtF + 25
6  libswiftTensorFlow.dylib 0x00000001151e0fed $s10TensorFlow24internalConsistencyCheck__4file4lineySb_SSs12StaticStringVSutF + 429
7  libswiftTensorFlow.dylib 0x00000001151deb92 $s10TensorFlow7checkOk_4file4lineys13OpaquePointerVSg_s12StaticStringVSutF + 482
8  libswiftTensorFlow.dylib 0x000000011520bf81 $s10TensorFlow11_TFCCheckOkyys13OpaquePointerVF + 81
9  libswiftTensorFlow.dylib 0x000000011520bf29 _swift_tfc_CheckOk + 9
10 libswiftTensorFlow.dylib 0x0000000115222cfd $s10TensorFlow3RawO6matMul__10transposeA0F1BAA0A0VyxGAI_AIS2btSjRzAA0aB6ScalarRzlFZ + 525
11 libswiftTensorFlow.dylib 0x000000011521db68 $s10TensorFlow6matmulyAA0A0VyxGAE_AEtSjRzAA0aB6ScalarRzlF + 72
12 libswiftTensorFlow.dylib 0x00000001156760a3 $s10TensorFlow6matmulyAA0A0VyxGAE_AEtSjRzAA0aB6ScalarRzlF + 4556163
13 swift                    0x000000010a3e6ff8 llvm::MCJIT::runFunction(llvm::Function*, llvm::ArrayRef<llvm::GenericValue>) + 456
14 swift                    0x000000010a3ea941 llvm::ExecutionEngine::runFunctionAsMain(llvm::Function*, std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > const&, char const* const*) + 1313
15 swift                    0x0000000109caa2e1 swift::RunImmediately(swift::CompilerInstance&, std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > const&, swift::IRGenOptions&, swift::SILOptions const&) + 3537
16 swift                    0x0000000109c84251 performCompile(swift::CompilerInstance&, swift::CompilerInvocation&, llvm::ArrayRef<char const*>, int&, swift::FrontendObserver*, swift::UnifiedStatsReporter*) + 13041
17 swift                    0x0000000109c7fef8 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 3016
18 swift                    0x0000000109c31c22 main + 690
19 libdyld.dylib            0x00007fff58df0015 start + 1
20 libdyld.dylib            0x000000000000000a start + 2803957750
[1]    66008 illegal hardware instruction  swift tf-458.swift