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615f9b7162
Before this change, inlining one "invoke" into an outer "invoke" call site can lead to the outer landingpad's catch/filter clauses being copied multiple times into the resulting landingpad. This happens: * when the inlined function contains multiple "resume" instructions, because forwardResume() copies the clauses but is called multiple times; * when the inlined function contains a "resume" and a "call", because HandleCallsInBlockInlinedThroughInvoke() copies the clauses but is redundant with forwardResume(). Fix this by deduplicating the code. This problem doesn't lead to any incorrect execution; it's only untidy. This change will make fixing PR17872 a little easier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196710 91177308-0d34-0410-b5e6-96231b3b80d8
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