Made move constructor strong exception safe

NathanJPhillips · NathanJPhillips · commit 7b254e2f1f2a · 2017-09-28T18:39:58.000+01:00
diff --git a/src/util/symbol_table.h b/src/util/symbol_table.h
@@ -74,10 +74,8 @@ class symbol_tablet
 
   symbol_tablet &operator=(const symbol_tablet &other)
   {
-    internal_symbols=other.internal_symbols;
-    internal_symbol_base_map=other.internal_symbol_base_map;
-    internal_symbol_module_map=other.symbol_module_map;
-    return *this;
+    // Copy to temp and then call move assignment
+    return *this=symbol_tablet(other);
   }
 
   symbol_tablet(symbol_tablet &&other)

Original file line number	Diff line number	Diff line change
`@@ -74,10 +74,8 @@ class symbol_tablet`
`74`	`74`
`75`	`75`	`symbol_tablet &operator=(const symbol_tablet &other)`
`76`	`76`	`{`
`77`		`- internal_symbols=other.internal_symbols;`
`78`		`- internal_symbol_base_map=other.internal_symbol_base_map;`
`79`		`- internal_symbol_module_map=other.symbol_module_map;`
`80`		`- return *this;`
	`77`	`+ // Copy to temp and then call move assignment`
	`78`	`+ return *this=symbol_tablet(other);`
`81`	`79`	`}`
`82`	`80`
`83`	`81`	`symbol_tablet(symbol_tablet &&other)`