https://llvm.org/bugs/show_bug.cgi?id=27324
Bug ID: 27324
Summary: libclang/Windows: exceptions are not supported by
default [regression from 3.6.2]
Product: clang
Version: 3.8
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: libclang
Assignee: unassignedclangb...@nondot.org
Reporter: nikolai.kos...@theqtcompany.com
CC: kli...@google.com, llvm-bugs@lists.llvm.org
Classification: Unclassified
libclang 3.6.2 on Windows can parse code with exceptions just fine, whereas lib
clang 3.8.0 produces "error: cannot use 'try' with exceptions disabled".
Providing -### as argument shows that libclang 3.8.0 does not have the
corresponding options -fcxx-exceptions and -fexceptions internally (libclang
3.6.2 did).
This forces libclang clients to explicitly pass in those options in order to
parse MSVC headers.
Details:
Given the following program making use of libclang:
#include <clang-c/Index.h>
#include <cstdlib>
#include <cstdio>
int main(int argc, char *argv[])
{
if (argc != 2) {
fprintf(stderr, "Usage: $0 <file>\n");
return 0;
}
CXIndex index = clang_createIndex(0, /*displayDiagnostics*/ 1);
clang_parseTranslationUnit(index, argv[1], 0, 0, NULL, 0, 0);
return 0;
}
and the sample "inputfile.cpp":
int main()
{
try { } catch (...) {}
}
shows that:
libclang 3.8.0:
$ libclangclient.exe intputfile.cpp:
inputfile.cpp:3:5: error: cannot use 'try' with exceptions disabled
$
libclang 3.6.2:
$ libclangclient.exe intputfile.cpp:
$
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