[MERGE chakra-core#1981 @meg-gupta] IRBuilder sets all 2 reg branches as switch branches, fix this

Meghana Gupta · Meghana Gupta · commit 1676cd93652d · 2016-11-14T10:02:13.000-08:00
Merge pull request chakra-core#1981 from meg-gupta:breakbug IRBuilder is setting the flag m_isSwitchBr for all 2 register branch instructions. Fixing this.
diff --git a/lib/Backend/IRBuilder.cpp b/lib/Backend/IRBuilder.cpp
@@ -6676,7 +6676,6 @@ IRBuilder::BuildBrReg2(Js::OpCode newOpcode, uint32 offset, uint targetOffset, J
     else
     {
         branchInstr = IR::BranchInstr::New(newOpcode, nullptr, src1Opnd, src2Opnd, m_func);
-        branchInstr->m_isSwitchBr = true;
         this->AddBranchInstr(branchInstr, offset, targetOffset);
     }
 }

Original file line number	Diff line number	Diff line change
`@@ -6676,7 +6676,6 @@ IRBuilder::BuildBrReg2(Js::OpCode newOpcode, uint32 offset, uint targetOffset, J`
`6676`	`6676`	`else`
`6677`	`6677`	`{`
`6678`	`6678`	`branchInstr = IR::BranchInstr::New(newOpcode, nullptr, src1Opnd, src2Opnd, m_func);`
`6679`		`- branchInstr->m_isSwitchBr = true;`
`6680`	`6679`	`this->AddBranchInstr(branchInstr, offset, targetOffset);`
`6681`	`6680`	`}`
`6682`	`6681`	`}`