https://bugs.llvm.org/show_bug.cgi?id=49416
Bug ID: 49416
Summary: Converting between pointers to signed and unsigned
_ExtInt causes crash
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: C
Assignee: unassignedclangb...@nondot.org
Reporter: wilcox...@gmail.com
CC: blitzrak...@gmail.com, dgre...@apple.com,
erik.pilking...@gmail.com, llvm-bugs@lists.llvm.org,
richard-l...@metafoo.co.uk
The following code causes clang trunk to crash.
// -----------------------------
// https://godbolt.org/z/z138v6
// -----------------------------
void f(unsigned _ExtInt(32)* n);
void g(_ExtInt(32)* n) {
f(n);
}
// -----------------------------
It's unclear to me whether this program is intended to be supported by _ExtInt
or not, but in either case, it should not cause a crash.
Inserting a cast seems to work around the problem:
// -----------------------------
// https://godbolt.org/z/nKKPY7
// -----------------------------
void f(unsigned _ExtInt(32)* n);
void g(_ExtInt(32)* n) {
f((unsigned _ExtInt(32)*)n);
}
// -----------------------------
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