1 // { dg-options "-Wsequence-point -fdiagnostics-show-caret" }
2 // { dg-require-effective-target alloca }
4 void *libiberty_concat_ptr;
5 extern unsigned long concat_length (const char *, ...);
6 extern char *concat_copy2 (const char *, ...);
8 #define ACONCAT(ACONCAT_PARAMS) \
9 (libiberty_concat_ptr = (char *) ALLOCA (concat_length ACONCAT_PARAMS + 1), /* { dg-warning "may be undefined" } */ \
10 concat_copy2 ACONCAT_PARAMS)
12 /* Arbitrary content here.
13 In PR c++/70105, this was >500 lines of source.
14 This should not be printed. */
16 # define ALLOCA(x) __builtin_alloca(x)
18 int strlen (const char *);
19 void *get_identifier (const char *);
20 void *get_identifier_with_length (const char *, int);
22 #define GET_IDENTIFIER(STR) \
23 (__builtin_constant_p (STR) \
24 ? get_identifier_with_length ((STR), strlen (STR)) \
25 : get_identifier (STR))
30 return GET_IDENTIFIER (ACONCAT (("foo")));
33 /* { dg-begin-multiline-output "" }
34 (libiberty_concat_ptr = (char *) ALLOCA (concat_length ACONCAT_PARAMS + 1),
36 { dg-end-multiline-output "" } */
37 /* { dg-begin-multiline-output "" }
38 ? get_identifier_with_length ((STR), strlen (STR)) \
40 { dg-end-multiline-output "" } */
41 /* { dg-begin-multiline-output "" }
42 return GET_IDENTIFIER (ACONCAT (("foo")));
44 { dg-end-multiline-output "" } */