GBE: clear deadprintfs when current function is done.

It should be cleared, to prevent invalid pointers staying there
when processing next Function.

Signed-off-by: Ruiling Song <ruiling.song@intel.com>
Reviewed-by: He Junyan <junyan.he@inbox.com>

diff --git a/backend/src/llvm/llvm_printf_parser.cpp b/backend/src/llvm/llvm_printf_parser.cpp
index e02f5aa..00e1ef8 100644 (file)
--- a/backend/src/llvm/llvm_printf_parser.cpp
+++ b/backend/src/llvm/llvm_printf_parser.cpp
@@ -616,6 +616,7 @@ error:
         prf.first->eraseFromParent();
     }
 
+    deadprintfs.clear();
     delete builder;
 
     return changed;