Fix nullptr dereference (intel#741)

fadeeval · vladimirlaz · commit 3addf30c9448 · 2020-09-13T21:48:31.000+03:00
Replaced nullptr with an empty string
diff --git a/llvm-spirv/lib/SPIRV/SPIRVWriter.cpp b/llvm-spirv/lib/SPIRV/SPIRVWriter.cpp
@@ -1571,8 +1571,7 @@ SPIRVValue *LLVMToSPIRV::transValueWithoutDecoration(Value *V,
 
   if (Instruction *Inst = dyn_cast<Instruction>(V)) {
     BM->getErrorLog().checkError(false, SPIRVEC_InvalidInstruction,
-                                 toString(Inst) + "\n", nullptr, __FILE__,
-                                 __LINE__);
+                                 toString(Inst) + "\n", "", __FILE__, __LINE__);
   }
 
   llvm_unreachable("Not implemented");

Original file line number	Diff line number	Diff line change
`@@ -1571,8 +1571,7 @@ SPIRVValue LLVMToSPIRV::transValueWithoutDecoration(Value V,`
`1571`	`1571`
`1572`	`1572`	`if (Instruction *Inst = dyn_cast<Instruction>(V)) {`
`1573`	`1573`	`BM->getErrorLog().checkError(false, SPIRVEC_InvalidInstruction,`
`1574`		`- toString(Inst) + "\n", nullptr, __FILE__,`
`1575`		`- __LINE__);`
	`1574`	`+ toString(Inst) + "\n", "", __FILE__, __LINE__);`
`1576`	`1575`	`}`
`1577`	`1576`
`1578`	`1577`	`llvm_unreachable("Not implemented");`