// PR 29166: r4-r7 corrupted when unwinding.
// { dg-do run }
// { dg-additional-options "-Wno-register" }

class Ex 
{ 
public: 
  int val; 

  Ex( int v )
   : val( v ) 
   { }

};

void doIt() 
{
  int OFF( 1000 ); 
  register int v1=OFF+1,v2=OFF+2,v3=OFF+3,v4=OFF+4,v5=OFF+5,v6=OFF+6,v7=OFF+7,v8=OFF+8,v9=OFF+9,v10=OFF+10;
  register int v11=OFF+11,v12=OFF+12,v13=OFF+13,v14=OFF+14,v15=OFF+15,v16=OFF+16,v17=OFF+17,v18=OFF+18,v19=OFF+19,v20=OFF+20;
  register int v21=OFF+21,v22=OFF+22,v23=OFF+23,v24=OFF+24,v25=OFF+25,v26=OFF+26,v27=OFF+27,v28=OFF+28,v29=OFF+29,v30=OFF+30;
  register int v31=OFF+31,v32=OFF+32,v33=OFF+33,v34=OFF+34,v35=OFF+35,v36=OFF+36,v37=OFF+37,v38=OFF+38,v39=OFF+39,v40=OFF+40;
  register int v41=OFF+41,v42=OFF+42,v43=OFF+43,v44=OFF+44,v45=OFF+45,v46=OFF+46,v47=OFF+47,v48=OFF+48,v49=OFF+49,v50=OFF+50;
  register int v51=OFF+51,v52=OFF+52,v53=OFF+53,v54=OFF+54,v55=OFF+55,v56=OFF+56,v57=OFF+57,v58=OFF+58,v59=OFF+59,v60=OFF+60;
  register int v61=OFF+61,v62=OFF+62,v63=OFF+63,v64=OFF+64,v65=OFF+65,v66=OFF+66,v67=OFF+67,v68=OFF+68,v69=OFF+69,v70=OFF+70;
  register int v71=OFF+71,v72=OFF+72,v73=OFF+73,v74=OFF+74,v75=OFF+75,v76=OFF+76,v77=OFF+77,v78=OFF+78,v79=OFF+79,v80=OFF+80;
  register int v81=OFF+81,v82=OFF+82,v83=OFF+83,v84=OFF+84,v85=OFF+85,v86=OFF+86,v87=OFF+87,v88=OFF+88,v89=OFF+89,v90=OFF+90;
  register int v91=OFF+91,v92=OFF+92,v93=OFF+93,v94=OFF+94,v95=OFF+95,v96=OFF+96,v97=OFF+97,v98=OFF+98,v99=OFF+99,v100=OFF+100;
  register int v101=OFF+101,v102=OFF+102,v103=OFF+103,v104=OFF+104,v105=OFF+105,v106=OFF+106,v107=OFF+107,v108=OFF+108,v109=OFF+109,v110=OFF+110;
  register int v111=OFF+111,v112=OFF+112,v113=OFF+113,v114=OFF+114,v115=OFF+115,v116=OFF+116,v117=OFF+117,v118=OFF+118,v119=OFF+119,v120=OFF+120;
  register int v121=OFF+121,v122=OFF+122,v123=OFF+123,v124=OFF+124,v125=OFF+125,v126=OFF+126,v127=OFF+127,v128=OFF+128,v129=OFF+129,v130=OFF+130;
  register int v131=OFF+131,v132=OFF+132,v133=OFF+133,v134=OFF+134,v135=OFF+135,v136=OFF+136,v137=OFF+137,v138=OFF+138,v139=OFF+139,v140=OFF+140;
  register int v141=OFF+141,v142=OFF+142,v143=OFF+143,v144=OFF+144,v145=OFF+145,v146=OFF+146,v147=OFF+147,v148=OFF+148,v149=OFF+149,v150=OFF+150;
  register int v151=OFF+151,v152=OFF+152,v153=OFF+153,v154=OFF+154,v155=OFF+155,v156=OFF+156,v157=OFF+157,v158=OFF+158,v159=OFF+159,v160=OFF+160;
  register int v161=OFF+161,v162=OFF+162,v163=OFF+163,v164=OFF+164,v165=OFF+165,v166=OFF+166,v167=OFF+167,v168=OFF+168,v169=OFF+169,v170=OFF+170;
  register int v171=OFF+171,v172=OFF+172,v173=OFF+173,v174=OFF+174,v175=OFF+175,v176=OFF+176,v177=OFF+177,v178=OFF+178,v179=OFF+179,v180=OFF+180;
  register int v181=OFF+181,v182=OFF+182,v183=OFF+183,v184=OFF+184,v185=OFF+185,v186=OFF+186,v187=OFF+187,v188=OFF+188,v189=OFF+189,v190=OFF+190;
  register int v191=OFF+191,v192=OFF+192,v193=OFF+193,v194=OFF+194,v195=OFF+195,v196=OFF+196,v197=OFF+197,v198=OFF+198,v199=OFF+199,v200=OFF+200;
  register int v201=OFF+201,v202=OFF+202,v203=OFF+203,v204=OFF+204,v205=OFF+205,v206=OFF+206,v207=OFF+207,v208=OFF+208,v209=OFF+209,v210=OFF+210;
  register int v211=OFF+211,v212=OFF+212,v213=OFF+213,v214=OFF+214,v215=OFF+215,v216=OFF+216,v217=OFF+217,v218=OFF+218,v219=OFF+219,v220=OFF+220;
  register int v231=OFF+231,v232=OFF+232,v233=OFF+233,v234=OFF+234,v235=OFF+235,v236=OFF+236,v237=OFF+237,v238=OFF+238,v239=OFF+239,v240=OFF+240;
  register int v241=OFF+241,v242=OFF+242,v243=OFF+243,v244=OFF+244,v245=OFF+245,v246=OFF+246,v247=OFF+247,v248=OFF+248,v249=OFF+249,v250=OFF+250;
  register int v251=OFF+251,v252=OFF+252,v253=OFF+253,v254=OFF+254,v255=OFF+255,v256=OFF+256,v257=OFF+257,v258=OFF+258,v259=OFF+259,v260=OFF+260;
  register int v261=OFF+261,v262=OFF+262,v263=OFF+263,v264=OFF+264,v265=OFF+265,v266=OFF+266,v267=OFF+267,v268=OFF+268,v269=OFF+269,v270=OFF+270;
  register int v271=OFF+271,v272=OFF+272,v273=OFF+273,v274=OFF+274,v275=OFF+275,v276=OFF+276,v277=OFF+277,v278=OFF+278,v279=OFF+279,v280=OFF+280;
  register int v281=OFF+281,v282=OFF+282,v283=OFF+283,v284=OFF+284,v285=OFF+285,v286=OFF+286,v287=OFF+287,v288=OFF+288,v289=OFF+289,v290=OFF+290;
  register int v291=OFF+291,v292=OFF+292,v293=OFF+293,v294=OFF+294,v295=OFF+295,v296=OFF+296,v297=OFF+297,v298=OFF+298,v299=OFF+299,v300=OFF+300;

  register int sum = 0;
  sum +=v1+v2+v3+v4+v5+v6+v7+v8+v9+v10;
  sum +=v11+v12+v13+v14+v15+v16+v17+v18+v19+v20;
  sum +=v21+v22+v23+v24+v25+v26+v27+v28+v29+v30;
  sum +=v31+v32+v33+v34+v35+v36+v37+v38+v39+v40;
  sum +=v41+v42+v43+v44+v45+v46+v47+v48+v49+v50;
  sum +=v51+v52+v53+v54+v55+v56+v57+v58+v59+v60;
  sum +=v61+v62+v63+v64+v65+v66+v67+v68+v69+v70;
  sum +=v71+v72+v73+v74+v75+v76+v77+v78+v79+v80;
  sum +=v81+v82+v83+v84+v85+v86+v87+v88+v89+v90;
  sum +=v91+v92+v93+v94+v95+v96+v97+v98+v99+v100;
  sum +=v101+v102+v103+v104+v105+v106+v107+v108+v109+v110;
  sum +=v111+v112+v113+v114+v115+v116+v117+v118+v119+v120;
  sum +=v121+v122+v123+v124+v125+v126+v127+v128+v129+v130;
  sum +=v131+v132+v133+v134+v135+v136+v137+v138+v139+v140;
  sum +=v141+v142+v143+v144+v145+v146+v147+v148+v149+v150;
  sum +=v151+v152+v153+v154+v155+v156+v157+v158+v159+v160;
  sum +=v161+v162+v163+v164+v165+v166+v167+v168+v169+v170;
  sum +=v171+v172+v173+v174+v175+v176+v177+v178+v179+v180;
  sum +=v181+v182+v183+v184+v185+v186+v187+v188+v189+v190;
  sum +=v191+v192+v193+v194+v195+v196+v197+v198+v199+v200;
  sum +=v201+v202+v203+v204+v205+v206+v207+v208+v209+v210;
  sum +=v211+v212+v213+v214+v215+v216+v217+v218+v219+v220;
  sum +=v231+v232+v233+v234+v235+v236+v237+v238+v239+v240;
  sum +=v241+v242+v243+v244+v245+v246+v247+v248+v249+v250;
  sum +=v251+v252+v253+v254+v255+v256+v257+v258+v259+v260;
  sum +=v261+v262+v263+v264+v265+v266+v267+v268+v269+v270;
  sum +=v271+v272+v273+v274+v275+v276+v277+v278+v279+v280;
  sum +=v281+v282+v283+v284+v285+v286+v287+v288+v289+v290;
  sum +=v291+v292+v293+v294+v295+v296+v297+v298+v299+v300;

  throw Ex( sum );  
}

void test() 
{
  try {
    doIt(); 
  } catch( Ex& ) { } 
}

int main(int argc, char** argv) 
{
  int OFF(0); 
  register int v1=OFF+1,v2=OFF+2,v3=OFF+3,v4=OFF+4,v5=OFF+5,v6=OFF+6,v7=OFF+7,v8=OFF+8,v9=OFF+9,v10=OFF+10;
  register int v11=OFF+11,v12=OFF+12,v13=OFF+13,v14=OFF+14,v15=OFF+15,v16=OFF+16,v17=OFF+17,v18=OFF+18,v19=OFF+19,v20=OFF+20;
  register int v21=OFF+21,v22=OFF+22,v23=OFF+23,v24=OFF+24,v25=OFF+25,v26=OFF+26,v27=OFF+27,v28=OFF+28,v29=OFF+29,v30=OFF+30;
  register int v31=OFF+31,v32=OFF+32,v33=OFF+33,v34=OFF+34,v35=OFF+35,v36=OFF+36,v37=OFF+37,v38=OFF+38,v39=OFF+39,v40=OFF+40;
  register int v41=OFF+41,v42=OFF+42,v43=OFF+43,v44=OFF+44,v45=OFF+45,v46=OFF+46,v47=OFF+47,v48=OFF+48,v49=OFF+49,v50=OFF+50;
  register int v51=OFF+51,v52=OFF+52,v53=OFF+53,v54=OFF+54,v55=OFF+55,v56=OFF+56,v57=OFF+57,v58=OFF+58,v59=OFF+59,v60=OFF+60;
  register int v61=OFF+61,v62=OFF+62,v63=OFF+63,v64=OFF+64,v65=OFF+65,v66=OFF+66,v67=OFF+67,v68=OFF+68,v69=OFF+69,v70=OFF+70;
  register int v71=OFF+71,v72=OFF+72,v73=OFF+73,v74=OFF+74,v75=OFF+75,v76=OFF+76,v77=OFF+77,v78=OFF+78,v79=OFF+79,v80=OFF+80;
  register int v81=OFF+81,v82=OFF+82,v83=OFF+83,v84=OFF+84,v85=OFF+85,v86=OFF+86,v87=OFF+87,v88=OFF+88,v89=OFF+89,v90=OFF+90;
  register int v91=OFF+91,v92=OFF+92,v93=OFF+93,v94=OFF+94,v95=OFF+95,v96=OFF+96,v97=OFF+97,v98=OFF+98,v99=OFF+99,v100=OFF+100;
  register int v101=OFF+101,v102=OFF+102,v103=OFF+103,v104=OFF+104,v105=OFF+105,v106=OFF+106,v107=OFF+107,v108=OFF+108,v109=OFF+109,v110=OFF+110;
  register int v111=OFF+111,v112=OFF+112,v113=OFF+113,v114=OFF+114,v115=OFF+115,v116=OFF+116,v117=OFF+117,v118=OFF+118,v119=OFF+119,v120=OFF+120;
  register int v121=OFF+121,v122=OFF+122,v123=OFF+123,v124=OFF+124,v125=OFF+125,v126=OFF+126,v127=OFF+127,v128=OFF+128,v129=OFF+129,v130=OFF+130;
  register int v131=OFF+131,v132=OFF+132,v133=OFF+133,v134=OFF+134,v135=OFF+135,v136=OFF+136,v137=OFF+137,v138=OFF+138,v139=OFF+139,v140=OFF+140;
  register int v141=OFF+141,v142=OFF+142,v143=OFF+143,v144=OFF+144,v145=OFF+145,v146=OFF+146,v147=OFF+147,v148=OFF+148,v149=OFF+149,v150=OFF+150;
  register int v151=OFF+151,v152=OFF+152,v153=OFF+153,v154=OFF+154,v155=OFF+155,v156=OFF+156,v157=OFF+157,v158=OFF+158,v159=OFF+159,v160=OFF+160;
  register int v161=OFF+161,v162=OFF+162,v163=OFF+163,v164=OFF+164,v165=OFF+165,v166=OFF+166,v167=OFF+167,v168=OFF+168,v169=OFF+169,v170=OFF+170;
  register int v171=OFF+171,v172=OFF+172,v173=OFF+173,v174=OFF+174,v175=OFF+175,v176=OFF+176,v177=OFF+177,v178=OFF+178,v179=OFF+179,v180=OFF+180;
  register int v181=OFF+181,v182=OFF+182,v183=OFF+183,v184=OFF+184,v185=OFF+185,v186=OFF+186,v187=OFF+187,v188=OFF+188,v189=OFF+189,v190=OFF+190;
  register int v191=OFF+191,v192=OFF+192,v193=OFF+193,v194=OFF+194,v195=OFF+195,v196=OFF+196,v197=OFF+197,v198=OFF+198,v199=OFF+199,v200=OFF+200;
  register int v201=OFF+201,v202=OFF+202,v203=OFF+203,v204=OFF+204,v205=OFF+205,v206=OFF+206,v207=OFF+207,v208=OFF+208,v209=OFF+209,v210=OFF+210;
  register int v211=OFF+211,v212=OFF+212,v213=OFF+213,v214=OFF+214,v215=OFF+215,v216=OFF+216,v217=OFF+217,v218=OFF+218,v219=OFF+219,v220=OFF+220;
  register int v231=OFF+231,v232=OFF+232,v233=OFF+233,v234=OFF+234,v235=OFF+235,v236=OFF+236,v237=OFF+237,v238=OFF+238,v239=OFF+239,v240=OFF+240;
  register int v241=OFF+241,v242=OFF+242,v243=OFF+243,v244=OFF+244,v245=OFF+245,v246=OFF+246,v247=OFF+247,v248=OFF+248,v249=OFF+249,v250=OFF+250;
  register int v251=OFF+251,v252=OFF+252,v253=OFF+253,v254=OFF+254,v255=OFF+255,v256=OFF+256,v257=OFF+257,v258=OFF+258,v259=OFF+259,v260=OFF+260;
  register int v261=OFF+261,v262=OFF+262,v263=OFF+263,v264=OFF+264,v265=OFF+265,v266=OFF+266,v267=OFF+267,v268=OFF+268,v269=OFF+269,v270=OFF+270;
  register int v271=OFF+271,v272=OFF+272,v273=OFF+273,v274=OFF+274,v275=OFF+275,v276=OFF+276,v277=OFF+277,v278=OFF+278,v279=OFF+279,v280=OFF+280;
  register int v281=OFF+281,v282=OFF+282,v283=OFF+283,v284=OFF+284,v285=OFF+285,v286=OFF+286,v287=OFF+287,v288=OFF+288,v289=OFF+289,v290=OFF+290;
  register int v291=OFF+291,v292=OFF+292,v293=OFF+293,v294=OFF+294,v295=OFF+295,v296=OFF+296,v297=OFF+297,v298=OFF+298,v299=OFF+299,v300=OFF+300;

  int sum_before, sum_after; 

  {
    int sum( 0 );
    sum +=v1+v2+v3+v4+v5+v6+v7+v8+v9+v10;
    sum +=v11+v12+v13+v14+v15+v16+v17+v18+v19+v20;
    sum +=v21+v22+v23+v24+v25+v26+v27+v28+v29+v30;
    sum +=v31+v32+v33+v34+v35+v36+v37+v38+v39+v40;
    sum +=v41+v42+v43+v44+v45+v46+v47+v48+v49+v50;
    sum +=v51+v52+v53+v54+v55+v56+v57+v58+v59+v60;
    sum +=v61+v62+v63+v64+v65+v66+v67+v68+v69+v70;
    sum +=v71+v72+v73+v74+v75+v76+v77+v78+v79+v80;
    sum +=v81+v82+v83+v84+v85+v86+v87+v88+v89+v90;
    sum +=v91+v92+v93+v94+v95+v96+v97+v98+v99+v100;
    sum +=v101+v102+v103+v104+v105+v106+v107+v108+v109+v110;
    sum +=v111+v112+v113+v114+v115+v116+v117+v118+v119+v120;
    sum +=v121+v122+v123+v124+v125+v126+v127+v128+v129+v130;
    sum +=v131+v132+v133+v134+v135+v136+v137+v138+v139+v140;
    sum +=v141+v142+v143+v144+v145+v146+v147+v148+v149+v150;
    sum +=v151+v152+v153+v154+v155+v156+v157+v158+v159+v160;
    sum +=v161+v162+v163+v164+v165+v166+v167+v168+v169+v170;
    sum +=v171+v172+v173+v174+v175+v176+v177+v178+v179+v180;
    sum +=v181+v182+v183+v184+v185+v186+v187+v188+v189+v190;
    sum +=v191+v192+v193+v194+v195+v196+v197+v198+v199+v200;
    sum +=v201+v202+v203+v204+v205+v206+v207+v208+v209+v210;
    sum +=v211+v212+v213+v214+v215+v216+v217+v218+v219+v220;
    sum +=v231+v232+v233+v234+v235+v236+v237+v238+v239+v240;
    sum +=v241+v242+v243+v244+v245+v246+v247+v248+v249+v250;
    sum +=v251+v252+v253+v254+v255+v256+v257+v258+v259+v260;
    sum +=v261+v262+v263+v264+v265+v266+v267+v268+v269+v270;
    sum +=v271+v272+v273+v274+v275+v276+v277+v278+v279+v280;
    sum +=v281+v282+v283+v284+v285+v286+v287+v288+v289+v290;
    sum +=v291+v292+v293+v294+v295+v296+v297+v298+v299+v300;

    sum_before = sum;
  }

 test(); 

 {
   int sum( 0 );
   sum +=v1+v2+v3+v4+v5+v6+v7+v8+v9+v10;
   sum +=v11+v12+v13+v14+v15+v16+v17+v18+v19+v20;
   sum +=v21+v22+v23+v24+v25+v26+v27+v28+v29+v30;
   sum +=v31+v32+v33+v34+v35+v36+v37+v38+v39+v40;
   sum +=v41+v42+v43+v44+v45+v46+v47+v48+v49+v50;
   sum +=v51+v52+v53+v54+v55+v56+v57+v58+v59+v60;
   sum +=v61+v62+v63+v64+v65+v66+v67+v68+v69+v70;
   sum +=v71+v72+v73+v74+v75+v76+v77+v78+v79+v80;
   sum +=v81+v82+v83+v84+v85+v86+v87+v88+v89+v90;
   sum +=v91+v92+v93+v94+v95+v96+v97+v98+v99+v100;
   sum +=v101+v102+v103+v104+v105+v106+v107+v108+v109+v110;
   sum +=v111+v112+v113+v114+v115+v116+v117+v118+v119+v120;
   sum +=v121+v122+v123+v124+v125+v126+v127+v128+v129+v130;
   sum +=v131+v132+v133+v134+v135+v136+v137+v138+v139+v140;
   sum +=v141+v142+v143+v144+v145+v146+v147+v148+v149+v150;
   sum +=v151+v152+v153+v154+v155+v156+v157+v158+v159+v160;
   sum +=v161+v162+v163+v164+v165+v166+v167+v168+v169+v170;
   sum +=v171+v172+v173+v174+v175+v176+v177+v178+v179+v180;
   sum +=v181+v182+v183+v184+v185+v186+v187+v188+v189+v190;
   sum +=v191+v192+v193+v194+v195+v196+v197+v198+v199+v200;
   sum +=v201+v202+v203+v204+v205+v206+v207+v208+v209+v210;
   sum +=v211+v212+v213+v214+v215+v216+v217+v218+v219+v220;
   sum +=v231+v232+v233+v234+v235+v236+v237+v238+v239+v240;
   sum +=v241+v242+v243+v244+v245+v246+v247+v248+v249+v250;
   sum +=v251+v252+v253+v254+v255+v256+v257+v258+v259+v260;
   sum +=v261+v262+v263+v264+v265+v266+v267+v268+v269+v270;
   sum +=v271+v272+v273+v274+v275+v276+v277+v278+v279+v280;
   sum +=v281+v282+v283+v284+v285+v286+v287+v288+v289+v290;
   sum +=v291+v292+v293+v294+v295+v296+v297+v298+v299+v300;

   sum_after = sum; 
 }

  return sum_before != sum_after;
}