{"id":583,"date":"2008-08-06T22:18:30","date_gmt":"2008-08-07T05:18:30","guid":{"rendered":"http:\/\/multimedia.cx\/eggs\/gcc-heisenbug\/"},"modified":"2008-08-06T22:18:30","modified_gmt":"2008-08-07T05:18:30","slug":"gcc-heisenbug","status":"publish","type":"post","link":"https:\/\/multimedia.cx\/eggs\/gcc-heisenbug\/","title":{"rendered":"gcc Heisenbug"},"content":{"rendered":"<p><a href=\"http:\/\/multimedia.cx\/eggs\/ccache-makes-gcc-crash\/\">In my last post<\/a>, when I endeavored to enter a gcc bug regarding the internal compiler error when compiling <a href=\"http:\/\/ffmpeg.mplayerhq.hu\/\">FFmpeg<\/a> on PPC, I could not reproduce the problem when I separated the compiler from <a href=\"http:\/\/ccache.samba.org\/\">ccache<\/a>. I finally got, umm, <em>lucky<\/em> when the FFmpeg tree got into a state when the compiler threw the error without ccache&#8217;s involvement.<\/p>\n<p>So I followed the steps outlined for a proper, useful bug reporting page, as listed on <a href=\"http:\/\/gcc.gnu.org\/bugs.html\">gcc&#8217;s bug reporting page<\/a>. I added the -save-temps option to the command line&#8230;<\/p>\n<p><em>&#8230;and the compiler no longer crashes. <\/em><\/p>\n<p>The term here is <a href=\"http:\/\/en.wikipedia.org\/wiki\/Unusual_software_bug\"><em>Heisenbug<\/em><\/a>.<\/p>\n<p>Anyway, I have finally <a href=\"http:\/\/gcc.gnu.org\/bugzilla\/show_bug.cgi?id=37044\">entered a bug<\/a> in order to start tracking this issue. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>In my last post, when I endeavored to enter a gcc bug regarding the internal compiler error when compiling FFmpeg on PPC, I could not reproduce the problem when I separated the compiler from ccache. I finally got, umm, lucky when the FFmpeg tree got into a state when the compiler threw the error without [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-583","post","type-post","status-publish","format-standard","hentry","category-fate-server"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/multimedia.cx\/eggs\/wp-json\/wp\/v2\/posts\/583","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/multimedia.cx\/eggs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/multimedia.cx\/eggs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/multimedia.cx\/eggs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/multimedia.cx\/eggs\/wp-json\/wp\/v2\/comments?post=583"}],"version-history":[{"count":0,"href":"https:\/\/multimedia.cx\/eggs\/wp-json\/wp\/v2\/posts\/583\/revisions"}],"wp:attachment":[{"href":"https:\/\/multimedia.cx\/eggs\/wp-json\/wp\/v2\/media?parent=583"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/multimedia.cx\/eggs\/wp-json\/wp\/v2\/categories?post=583"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/multimedia.cx\/eggs\/wp-json\/wp\/v2\/tags?post=583"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}