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Product:
Code Generation Tools
Internal ID:
CODEGEN-3999
Found In Release:

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ARM_18.1.0.LTS
MSP430_18.1.0.LTS
MSP430_20.2.0.LTS
ARM_18.12.0.LTS
MSP430_21.6.0.LTS
MSP430_18.12.0.LTS
ARM_20.2.0.LTS

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ARM_18.1.0.LTS MSP430_18.1.0.LTS MSP430_20.2.0.LTS ARM_18.12.0.LTS MSP430_21.6.0.LTS MSP430_18.12.0.LTS ARM_20.2.0.LTS
Release Notes:

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The following code will print B, when both gcc and clang print A. This is due to a resolution to core issue 1374, which reorders the rankings of conversion sequences such that qualification difference are accounted for after reference binding differences, rather than before.

#include <stdio.h>
typedef int * T1;
typedef int *const T2;
void foo(T1 &) { printf("A\n"); } // (1)
void foo(T2 &&) { printf("B\n"); } // (2)
int main() {
  foo((int *)0); // Normally prefers (2), but now prefers
  return 0; // (1) in GNU and Clang modes.
}

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The following code will print B, when both gcc and clang print A. This is due to a resolution to core issue 1374, which reorders the rankings of conversion sequences such that qualification difference are accounted for after reference binding differences, rather than before. #include <stdio.h> typedef int * T1; typedef int *const T2; void foo(T1 &) { printf("A\n"); } // (1) void foo(T2 &&) { printf("B\n"); } // (2) int main() {   foo((int *)0); // Normally prefers (2), but now prefers   return 0; // (1) in GNU and Clang modes. }

Unimplemented core issue 1374: Conversion sequence ranks qualification before reference binding