https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121549
Bug ID: 121549
Summary: Bad diagnostic when calling malloc with -xc++
-ffreestanding
Product: gcc
Version: 15.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: blubban at gmail dot com
Target Milestone: ---
#include <cstdlib>
void* foo() { return malloc(8); }
-xc++ -ffreestanding (does not reproduce with -xc)
Result:
<source>: In function 'void* foo()':
<source>:3:22: error: 'malloc' was not declared in this scope
3 | void* foo() { return malloc(8); }
| ^~~~~~
<source>:2:1: note: 'malloc' is defined in header '<cstdlib>'; this is probably
fixable by adding '#include <cstdlib>'
1 | #include <cstdlib>
+++ |+#include <cstdlib>
2 |
Compiler returned: 1
I'm not sure what adding another #include <cstdlib> would accomplish.
(GCC is correct to reject malloc under -ffreestanding, this is just a bad
diagnostic. Feel free to deprioritize.)
