diff options
| -rw-r--r-- | lib/CodeGen/CGExpr.cpp | 6 | ||||
| -rw-r--r-- | test/CodeGen/exprs.c | 12 |
2 files changed, 18 insertions, 0 deletions
diff --git a/lib/CodeGen/CGExpr.cpp b/lib/CodeGen/CGExpr.cpp index 8ff2080efa..06d8d974b0 100644 --- a/lib/CodeGen/CGExpr.cpp +++ b/lib/CodeGen/CGExpr.cpp @@ -1108,6 +1108,12 @@ RValue CodeGenFunction::EmitCallExpr(const CallExpr *E) { } LValue CodeGenFunction::EmitBinaryOperatorLValue(const BinaryOperator *E) { + // Comma expressions just emit their LHS then their RHS as an l-value. + if (E->getOpcode() == BinaryOperator::Comma) { + EmitAnyExpr(E->getLHS()); + return EmitLValue(E->getRHS()); + } + // Can only get l-value for binary operator expressions which are a // simple assignment of aggregate type. if (E->getOpcode() != BinaryOperator::Assign) diff --git a/test/CodeGen/exprs.c b/test/CodeGen/exprs.c index ad3e4e0956..36cfff9e8a 100644 --- a/test/CodeGen/exprs.c +++ b/test/CodeGen/exprs.c @@ -104,3 +104,15 @@ void f7() { int f8() { return ({ foo(); }).Y; } + +// rdar://6880558 +struct S; +struct C { + int i; + struct S *tab[]; +}; +struct S { struct C c; }; +void f9(struct S *x) { + foo(((void)1, x->c).tab[0]); +} + |