fix c scalar bin-op-assign complex

Author: OCHyams

clang/lib/CodeGen/CGExprComplex.cpp

@@ -1550,6 +1550,7 @@ EmitComplexCompoundAssignmentLValue(const CompoundAssignOperator *E) {
 LValue CodeGenFunction::
 EmitScalarCompoundAssignWithComplex(const CompoundAssignOperator *E,
                                     llvm::Value *&Result) {
+  ApplyAtomGroup Grp(getDebugInfo());
   CompoundFunc Op = getComplexOp(E->getOpcode());
   RValue Val;
   LValue Ret = ComplexExprEmitter(*this).EmitCompoundAssignLValue(E, Op, Val);

clang/test/DebugInfo/KeyInstructions/complex.c

@@ -1,8 +1,8 @@
 // RUN: %clang_cc1 -gkey-instructions -x c++ %s -debug-info-kind=line-tables-only -emit-llvm -o - \
 // RUN: | FileCheck %s --implicit-check-not atomGroup --implicit-check-not atomRank
 
-// UN: %clang_cc1 -gkey-instructions -x c %s -debug-info-kind=line-tables-only -emit-llvm -o - \
-// UN: | FileCheck %s --implicit-check-not atomGroup --implicit-check-not atomRank --check-prefixes=CHECK,CHECK-C
+// RUN: %clang_cc1 -gkey-instructions -x c %s -debug-info-kind=line-tables-only -emit-llvm -o - \
+// RUN: | FileCheck %s --implicit-check-not atomGroup --implicit-check-not atomRank --check-prefixes=CHECK,CHECK-C
 
 _Complex float ci;
 float f;