head 1.1; branch 1.1.1; access; symbols netbsd-11-0-RC6:1.1.1.2 netbsd-11-0-RC5:1.1.1.2 netbsd-11-0-RC4:1.1.1.2 netbsd-11-0-RC3:1.1.1.2 netbsd-11-0-RC2:1.1.1.2 netbsd-11-0-RC1:1.1.1.2 perseant-exfatfs-base-20250801:1.1.1.2 netbsd-11:1.1.1.2.0.10 netbsd-11-base:1.1.1.2 netbsd-10-1-RELEASE:1.1.1.2 perseant-exfatfs-base-20240630:1.1.1.2 perseant-exfatfs:1.1.1.2.0.8 perseant-exfatfs-base:1.1.1.2 netbsd-9-4-RELEASE:1.1.1.1 netbsd-10-0-RELEASE:1.1.1.2 netbsd-10-0-RC6:1.1.1.2 netbsd-10-0-RC5:1.1.1.2 netbsd-10-0-RC4:1.1.1.2 netbsd-10-0-RC3:1.1.1.2 netbsd-10-0-RC2:1.1.1.2 netbsd-10-0-RC1:1.1.1.2 netbsd-10:1.1.1.2.0.6 netbsd-10-base:1.1.1.2 netbsd-9-3-RELEASE:1.1.1.1 cjep_sun2x:1.1.1.2.0.4 cjep_sun2x-base:1.1.1.2 cjep_staticlib_x-base1:1.1.1.2 netbsd-9-2-RELEASE:1.1.1.1 cjep_staticlib_x:1.1.1.2.0.2 cjep_staticlib_x-base:1.1.1.2 netbsd-9-1-RELEASE:1.1.1.1 phil-wifi-20200421:1.1.1.2 phil-wifi-20200411:1.1.1.2 phil-wifi-20200406:1.1.1.2 netbsd-9-0-RELEASE:1.1.1.1 netbsd-9-0-RC2:1.1.1.1 netbsd-9-0-RC1:1.1.1.1 netbsd-9:1.1.1.1.0.6 netbsd-9-base:1.1.1.1 phil-wifi:1.1.1.1.0.4 phil-wifi-20190609:1.1.1.1 pgoyette-compat-merge-20190127:1.1.1.1.2.2 pgoyette-compat-20190127:1.1.1.1 pgoyette-compat-20190118:1.1.1.1 pgoyette-compat-1226:1.1.1.1 pgoyette-compat-1126:1.1.1.1 pgoyette-compat-1020:1.1.1.1 pgoyette-compat-0930:1.1.1.1 pgoyette-compat-0906:1.1.1.1 pgoyette-compat:1.1.1.1.0.2 pgoyette-compat-0728:1.1.1.1 clang-337282:1.1.1.1 LLVM:1.1.1; locks; strict; comment @// @; 1.1 date 2018.07.17.18.31.33; author joerg; state Exp; branches 1.1.1.1; next ; commitid wDzL46ALjrCZgwKA; 1.1.1.1 date 2018.07.17.18.31.33; author joerg; state Exp; branches 1.1.1.1.2.1 1.1.1.1.4.1; next 1.1.1.2; commitid wDzL46ALjrCZgwKA; 1.1.1.2 date 2019.11.13.22.22.55; author joerg; state dead; branches; next ; commitid QD8YATxuNG34YJKB; 1.1.1.1.2.1 date 2018.07.17.18.31.33; author pgoyette; state dead; branches; next 1.1.1.1.2.2; commitid 1UP1xAIUxv1ZgRLA; 1.1.1.1.2.2 date 2018.07.28.04.34.12; author pgoyette; state Exp; branches; next ; commitid 1UP1xAIUxv1ZgRLA; 1.1.1.1.4.1 date 2018.07.17.18.31.33; author christos; state dead; branches; next 1.1.1.1.4.2; commitid jtc8rnCzWiEEHGqB; 1.1.1.1.4.2 date 2019.06.10.21.46.36; author christos; state Exp; branches; next 1.1.1.1.4.3; commitid jtc8rnCzWiEEHGqB; 1.1.1.1.4.3 date 2020.04.13.07.50.23; author martin; state dead; branches; next ; commitid X01YhRUPVUDaec4C; desc @@ 1.1 log @Initial revision @ text @// RUN: %clang_cc1 %s -fsyntax-only -verify -pedantic -Wextra -std=c++11 // RUN: %clang_cc1 %s -fsyntax-only -triple i686-unknown-unknown -verify -pedantic -Wextra -std=c++11 // RUN: %clang_cc1 %s -fsyntax-only -triple x86_64-unknown-unknown -verify -pedantic -Wextra -std=c++11 #include void f(intptr_t offset) { // A zero offset from a nullptr is OK. char *f = (char*)nullptr + 0; int *g = (int*)0 + 0; f = (char*)nullptr - 0; g = (int*)nullptr - 0; // adding other values is undefined. f = (char*)nullptr + offset; // expected-warning {{arithmetic on a null pointer treated as a cast from integer to pointer is a GNU extension}} // Cases that don't match the GNU inttoptr idiom get a different warning. f = (char*)0 - offset; // expected-warning {{performing pointer arithmetic on a null pointer has undefined behavior if the offset is nonzero}} g = (int*)0 + offset; // expected-warning {{performing pointer arithmetic on a null pointer has undefined behavior if the offset is nonzero}} } // Value-dependent pointer arithmetic should not produce a nullptr warning. template char* g(intptr_t offset) { return P + offset; } // Value-dependent offsets should not produce a nullptr warning. template char *h() { return (char*)nullptr + N; } @ 1.1.1.1 log @Import clang r337282 from trunk @ text @@ 1.1.1.2 log @Mark old LLVM instance as dead. @ text @@ 1.1.1.1.4.1 log @file nullptr-arithmetic.cpp was added on branch phil-wifi on 2019-06-10 21:46:36 +0000 @ text @d1 30 @ 1.1.1.1.4.2 log @Sync with HEAD @ text @a0 30 // RUN: %clang_cc1 %s -fsyntax-only -verify -pedantic -Wextra -std=c++11 // RUN: %clang_cc1 %s -fsyntax-only -triple i686-unknown-unknown -verify -pedantic -Wextra -std=c++11 // RUN: %clang_cc1 %s -fsyntax-only -triple x86_64-unknown-unknown -verify -pedantic -Wextra -std=c++11 #include void f(intptr_t offset) { // A zero offset from a nullptr is OK. char *f = (char*)nullptr + 0; int *g = (int*)0 + 0; f = (char*)nullptr - 0; g = (int*)nullptr - 0; // adding other values is undefined. f = (char*)nullptr + offset; // expected-warning {{arithmetic on a null pointer treated as a cast from integer to pointer is a GNU extension}} // Cases that don't match the GNU inttoptr idiom get a different warning. f = (char*)0 - offset; // expected-warning {{performing pointer arithmetic on a null pointer has undefined behavior if the offset is nonzero}} g = (int*)0 + offset; // expected-warning {{performing pointer arithmetic on a null pointer has undefined behavior if the offset is nonzero}} } // Value-dependent pointer arithmetic should not produce a nullptr warning. template char* g(intptr_t offset) { return P + offset; } // Value-dependent offsets should not produce a nullptr warning. template char *h() { return (char*)nullptr + N; } @ 1.1.1.1.4.3 log @Mostly merge changes from HEAD upto 20200411 @ text @@ 1.1.1.1.2.1 log @file nullptr-arithmetic.cpp was added on branch pgoyette-compat on 2018-07-28 04:34:12 +0000 @ text @d1 30 @ 1.1.1.1.2.2 log @Sync with HEAD @ text @a0 30 // RUN: %clang_cc1 %s -fsyntax-only -verify -pedantic -Wextra -std=c++11 // RUN: %clang_cc1 %s -fsyntax-only -triple i686-unknown-unknown -verify -pedantic -Wextra -std=c++11 // RUN: %clang_cc1 %s -fsyntax-only -triple x86_64-unknown-unknown -verify -pedantic -Wextra -std=c++11 #include void f(intptr_t offset) { // A zero offset from a nullptr is OK. char *f = (char*)nullptr + 0; int *g = (int*)0 + 0; f = (char*)nullptr - 0; g = (int*)nullptr - 0; // adding other values is undefined. f = (char*)nullptr + offset; // expected-warning {{arithmetic on a null pointer treated as a cast from integer to pointer is a GNU extension}} // Cases that don't match the GNU inttoptr idiom get a different warning. f = (char*)0 - offset; // expected-warning {{performing pointer arithmetic on a null pointer has undefined behavior if the offset is nonzero}} g = (int*)0 + offset; // expected-warning {{performing pointer arithmetic on a null pointer has undefined behavior if the offset is nonzero}} } // Value-dependent pointer arithmetic should not produce a nullptr warning. template char* g(intptr_t offset) { return P + offset; } // Value-dependent offsets should not produce a nullptr warning. template char *h() { return (char*)nullptr + N; } @