https://bugs.llvm.org/show_bug.cgi?id=43312
Bug ID: 43312
Summary: Terrible error message when section name matches
variable name
Product: clang
Version: unspecified
Hardware: PC
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: -New Bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected], [email protected]
Testcase:
__attribute((section("foo"))) int foo = 3;
Produces: fatal error: error in backend: invalid symbol redefinition
There are a few issues here:
1. The error message from the backend gives no indication of what's actually
happening. We should be able to at least provide the name of the symbol.
2. clang should be able to provide a nicer error message, with source
locations, along the lines of err_duplicate_mangled_name.
(I think it might actually be possible to compile this, in theory, but it
doesn't work with gcc, so probably not worth spending any effort on that.)
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