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destructors: don't produce stupid code for 'cast' (#14208) [backport:1.2]

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* destructors: don't produce stupid code for 'cast'

* fixes #14207
This commit is contained in:
Andreas Rumpf 2020-05-04 07:43:22 +02:00 • committed by GitHub
commit b6fb609e0d
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3 changed files with 22 additions and 4 deletions
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compiler/dfa.nim
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@ -541,8 +541,8 @@ template genNoReturn(c: var Con; n: PNode) =
c.code.add Instr(n: n, kind: goto, dest: high(int) - c.code.len)
proc genRaise(c: var Con; n: PNode) =
genJoins(c, n)
gen(c, n[0])
genJoins(c, n)
if c.inTryStmt > 0:
c.tryStmtFixups.add c.gotoI(n)
else:
@ -553,11 +553,11 @@ proc genImplicitReturn(c: var Con) =
gen(c, c.owner.ast[resultPos])
proc genReturn(c: var Con; n: PNode) =
genJoins(c, n)
if n[0].kind != nkEmpty:
gen(c, n[0])
else:
genImplicitReturn(c)
genJoins(c, n)
genNoReturn(c, n)
const