http://llvm.org/bugs/show_bug.cgi?id=14886
Bug #: 14886
Summary: Dragonegg crashes with prototype-less sret decl, like
(sret, ...)
Product: dragonegg
Version: trunk
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P
Component: New Bugs
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Classification: Unclassified
/* testcase.c */
struct R {int a[8];};
extern struct R x(/*void*/);
struct R g(void) {return x();}
gcc47 -fplugin=dragonegg.so -S testcase.c -o testcase.ll -flto
Attribute 'sret' cannot be used for vararg call arguments!
%0 = call %struct.R (...)* bitcast (void (%struct.R*, ...)* @x to %struct.R
(...)*)(%struct.R* noalias sret %agg.result) nounwind
Broken module found, compilation aborted!
clang/tools/c-index-test is affected.
FYI, dragonegg doesn't crash with "extern struct R x(void);"
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