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Diffstat (limited to 'src/backend/jit/llvm/llvmjit.c')
-rw-r--r--src/backend/jit/llvm/llvmjit.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/backend/jit/llvm/llvmjit.c b/src/backend/jit/llvm/llvmjit.c
index 373ae3e3d42..352aeab8210 100644
--- a/src/backend/jit/llvm/llvmjit.c
+++ b/src/backend/jit/llvm/llvmjit.c
@@ -339,7 +339,14 @@ llvm_copy_attributes_at_index(LLVMValueRef v_from, LLVMValueRef v_to, uint32 ind
int num_attributes;
LLVMAttributeRef *attrs;
- num_attributes = LLVMGetAttributeCountAtIndex(v_from, index);
+ num_attributes = LLVMGetAttributeCountAtIndexPG(v_from, index);
+
+ /*
+ * Not just for efficiency: LLVM <= 3.9 crashes when
+ * LLVMGetAttributesAtIndex() is called for an index with 0 attributes.
+ */
+ if (num_attributes == 0)
+ return;
attrs = palloc(sizeof(LLVMAttributeRef) * num_attributes);
LLVMGetAttributesAtIndex(v_from, index, attrs);