Merge remote-tracking branch 'origin/master' into llvm8

1 files changed, 16 insertions, 1 deletions

diff --git a/src/translate_c.cpp b/src/translate_c.cpp
index df48c9e4a2..37d5b722c3 100644
--- a/src/translate_c.cpp
+++ b/src/translate_c.cpp
@@ -15,10 +15,19 @@
 #include "parser.hpp"
 
 
+#if __GNUC__ >= 8
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wclass-memaccess"
+#endif
+
 #include <clang/Frontend/ASTUnit.h>
 #include <clang/Frontend/CompilerInstance.h>
 #include <clang/AST/Expr.h>
 
+#if __GNUC__ >= 8
+#pragma GCC diagnostic pop
+#endif
+
 #include <string.h>
 
 using namespace clang;
@@ -458,7 +467,13 @@ static const char *decl_name(const Decl *decl) {
 static AstNode *trans_create_node_apint(Context *c, const llvm::APSInt &aps_int) {
     AstNode *node = trans_create_node(c, NodeTypeIntLiteral);
     node->data.int_literal.bigint = allocate<BigInt>(1);
-    bigint_init_data(node->data.int_literal.bigint, aps_int.getRawData(), aps_int.getNumWords(), aps_int.isNegative());
+    bool is_negative = aps_int.isNegative(); 
+    if (!is_negative) {
+        bigint_init_data(node->data.int_literal.bigint, aps_int.getRawData(), aps_int.getNumWords(), false);
+        return node;
+    }
+    llvm::APSInt negated = -aps_int;
+    bigint_init_data(node->data.int_literal.bigint, negated.getRawData(), negated.getNumWords(), true);
     return node;
 
 }