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-rw-r--r--compiler/llvmGen/LlvmCodeGen/CodeGen.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/llvmGen/LlvmCodeGen/CodeGen.hs b/compiler/llvmGen/LlvmCodeGen/CodeGen.hs
index f1383c660e..03813248ae 100644
--- a/compiler/llvmGen/LlvmCodeGen/CodeGen.hs
+++ b/compiler/llvmGen/LlvmCodeGen/CodeGen.hs
@@ -986,7 +986,7 @@ which will eliminate the expression entirely.
However, it's certainly possible and reasonable for this to occur in
hand-written C-- code. Consider something like:
- #ifndef SOME_CONDITIONAL
+ #if !defined(SOME_CONDITIONAL)
#define CHECK_THING(x) 1
#else
#define CHECK_THING(x) some_operation((x))