https://llvm.org/bugs/show_bug.cgi?id=24259
Bug ID: 24259
Summary: Cannot initialize variable with rvalue of same type?
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Frontend
Assignee: unassignedclangb...@nondot.org
Reporter: paul_robin...@playstation.sony.com
CC: llvmbugs@cs.uiuc.edu
Classification: Unclassified
$ cat t.cpp
void foo() {
int s = 4;
int b[1][s];
int (*p)[s] = b + 1;
}
$ clang -x c -c t.cpp
$ clang -x c++ -c t.cpp
t.cpp:4:9: error: cannot initialize a variable of type 'int (*)[s]' with an
rvalue of type 'int (*)[s]'
int (*p)[s] = b + 1;
^ ~~~~~
1 error generated.
VLAs are not part of C++ but Clang claims to support them if everything
is nicely POD-like.
http://clang.llvm.org/compatibility.html#vla
If I take out the "+ 1" C mode is still fine but C++ mode gets:
t.cpp:4:9: error: cannot initialize a variable of type 'int (*)[s]' with an
lvalue of type 'int [1][s]'
int (*p)[s] = b;
^ ~
1 error generated.
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