1 // { dg-options "-Wsequence-point -fdiagnostics-show-caret" }
3 void *libiberty_concat_ptr;
4 extern unsigned long concat_length (const char *, ...);
5 extern char *concat_copy2 (const char *, ...);
7 #define ACONCAT(ACONCAT_PARAMS) \
8 (libiberty_concat_ptr = (char *) ALLOCA (concat_length ACONCAT_PARAMS + 1), /* { dg-warning "may be undefined" } */ \
9 concat_copy2 ACONCAT_PARAMS)
11 /* Arbitrary content here.
12 In PR c++/70105, this was >500 lines of source.
13 This should not be printed. */
15 # define ALLOCA(x) __builtin_alloca(x)
17 int strlen (const char *);
18 void *get_identifier (const char *);
19 void *get_identifier_with_length (const char *, int);
21 #define GET_IDENTIFIER(STR) \
22 (__builtin_constant_p (STR) \
23 ? get_identifier_with_length ((STR), strlen (STR)) \
24 : get_identifier (STR))
29 return GET_IDENTIFIER (ACONCAT (("foo")));
32 /* { dg-begin-multiline-output "" }
33 (libiberty_concat_ptr = (char *) ALLOCA (concat_length ACONCAT_PARAMS + 1),
35 { dg-end-multiline-output "" } */
36 /* { dg-begin-multiline-output "" }
37 ? get_identifier_with_length ((STR), strlen (STR)) \
39 { dg-end-multiline-output "" } */
40 /* { dg-begin-multiline-output "" }
41 return GET_IDENTIFIER (ACONCAT (("foo")));
43 { dg-end-multiline-output "" } */