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prevent possible segfault with instructions without params, like RDTSC

This commit is contained in:
Basile Burg 2016-12-24 19:55:33 +01:00
parent e5708325c1
commit 92037b5e7c
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1 changed files with 1 additions and 1 deletions
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2
src/analysis/unused_label.d
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@ -101,7 +101,7 @@ final class UnusedLabelCheck : BaseAnalyzer
if (instr.identifierOrIntegerOrOpcode.text.length)
jmp = instr.identifierOrIntegerOrOpcode.text[0] == 'j';
if (!jmp || instr.operands.operands.length != 1)
if (!jmp || !instr.operands || instr.operands.operands.length != 1)
return;
const AsmExp e = cast(AsmExp) instr.operands.operands[0];