Change __builtin_alloca declaration to use an unsigned long long parameter.

Author: zlaski-semmle

cpp/ql/test/query-tests/Likely Bugs/Memory Management/AllocaInLoop/AllocaInLoop1.cpp

@@ -10,7 +10,7 @@ extern int w1, w2;
 #define restrict __restrict__
 #endif
 
-void *__builtin_alloca(int sz);
+void *__builtin_alloca(unsigned long long sz);
 #define alloca __builtin_alloca
 typedef unsigned long size_t;
 

cpp/ql/test/query-tests/Likely Bugs/Memory Management/AllocaInLoop/AllocaInLoop2.c

@@ -9,7 +9,7 @@ void free(void *ptr);
 struct vtype { int i1, i2; };
 extern int w1, w2;
 
-void *_builtin_alloca(int sz);
+void *_builtin_alloca(unsigned long long sz);
 #define alloca __builtin_alloca
 
 // We forward-declare the Microsoft routines

cpp/ql/test/query-tests/Likely Bugs/Memory Management/AllocaInLoop/AllocaInLoop3.cpp

@@ -9,7 +9,7 @@
 int sprintf(char *restrict buf, const char *restrict format, ...);
 char * strdup(const char *restrict str1);
 
-void *__builtin_alloca(int sz);
+void *__builtin_alloca(unsigned long long sz);
 #define alloca __builtin_alloca
 
 // case 1: a GNU c/c++ lambda with an alloca in it