https://bugs.llvm.org/show_bug.cgi?id=44015
Bug ID: 44015
Summary: Wconversion warning not emitted
Product: clang
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: Frontend
Assignee: unassignedclangb...@nondot.org
Reporter: leonardc...@google.com
CC: llvm-bugs@lists.llvm.org, neeil...@live.com,
richard-l...@metafoo.co.uk
Given the following:
```
void func(uint32_t);
void func4(uint32_t x) {
func(sizeof(x) + x);
}
```
I would expect a `-Wconversion` warning on the call since the result of the
addition is 8 bytes, but gets truncated to 4 bytes. GCC v8.3.0 gives the
warning with `-Wconversion` enabled, but ToT clang does not.
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