diff options
Diffstat (limited to 'gcc/testsuite')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/opt/reg-stack2.C | 34 |
2 files changed, 38 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 11c7cff5343..5c9c984ed45 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2003-09-22 Eric Botcazou <ebotcazou@libertysurf.fr> + + * g++.dg/opt/reg-stack2.C: New test. + 2003-09-21 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de> * g++.dg/eh/delayslot1.C: New test. diff --git a/gcc/testsuite/g++.dg/opt/reg-stack2.C b/gcc/testsuite/g++.dg/opt/reg-stack2.C new file mode 100644 index 00000000000..08cd590b471 --- /dev/null +++ b/gcc/testsuite/g++.dg/opt/reg-stack2.C @@ -0,0 +1,34 @@ +// PR target/9786 +// Origin: <nick@ilm.com> + +// This used to fail on x86 because the reg-stack pass deleted +// an insn that could seemingly trap (but actually doesn't) +// without updating the CFG. + +// { dg-do compile } +// { dg-options "-O2 -fnon-call-exceptions" } + +struct D1 { + float l; + D1 GS() const {D1 d;float f=.299*l;d.l=f;return d;} + static D1 G() {return D1();} +}; + +struct D2 { + D1 g; + D2(const D1& gi) : g(gi) {} + D2 GS() const {return D2(g.GS());} +}; + +class A { + public: + virtual ~A() {} +}; + +class B : public A { + public: + B(const D2& mi); + D2 fm; +}; + +B::B(const D2 &mi) : fm(mi.GS()) {} |